18443611980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61987}}^1$

素因数の和:62053

約数の個数: 192

約数和(自身を含む): 62483904000

約数和(自身を除く): 44040292020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 29, 30, 36, 38, 45, 54, 57, 58, 60, 76, 87, 90, 95, 108, 114, 116, 135, 145, 171, 174, 180, 190, 228, 261, 270, 285, 290, 342, 348, 380, 435, 513, 522, 540, 551, 570, 580, 684, 783, 855, 870, 1026, 1044, 1102, 1140, 1305, 1566, 1653, 1710, 1740, 2052, 2204, 2565, 2610, 2755, 3132, 3306, 3420, 3915, 4959, 5130, 5220, 5510, 6612, 7830, 8265, 9918, 10260, 11020, 14877, 15660, 16530, 19836, 24795, 29754, 33060, 49590, 59508, 61987, 74385, 99180, 123974, 148770, 185961, 247948, 297540, 309935, 371922, 557883, 619870, 743844, 929805, 1115766, 1177753, 1239740, 1673649, 1797623, 1859610, 2231532, 2355506, 2789415, 3347298, 3533259, 3595246, 3719220, 4711012, 5392869, 5578830, 5888765, 6694596, 7066518, 7190492, 8368245, 8988115, 10599777, 10785738, 11157660, 11777530, 14133036, 16178607, 16736490, 17666295, 17976230, 21199554, 21571476, 23555060, 26964345, 31799331, 32357214, 33472980, 34154837, 35332590, 35952460, 42399108, 48535821, 52998885, 53928690, 63598662, 64714428, 68309674, 70665180, 80893035, 97071642, 102464511, 105997770, 107857380, 127197324, 136619348, 158996655, 161786070, 170774185, 194143284, 204929022, 211995540, 242679105, 307393533, 317993310, 323572140, 341548370, 409858044, 485358210, 512322555, 614787066, 635986620, 683096740, 922180599, 970716420, 1024645110, 1229574132, 1536967665, 1844361198, 2049290220, 3073935330, 3688722396, 4610902995, 6147870660, 9221805990, 18443611980]

約数ペア:

[(1, 18443611980), (2, 9221805990), (3, 6147870660), (4, 4610902995), (5, 3688722396), (6, 3073935330), (9, 2049290220), (10, 1844361198), (12, 1536967665), (15, 1229574132), (18, 1024645110), (19, 970716420), (20, 922180599), (27, 683096740), (29, 635986620), (30, 614787066), (36, 512322555), (38, 485358210), (45, 409858044), (54, 341548370), (57, 323572140), (58, 317993310), (60, 307393533), (76, 242679105), (87, 211995540), (90, 204929022), (95, 194143284), (108, 170774185), (114, 161786070), (116, 158996655), (135, 136619348), (145, 127197324), (171, 107857380), (174, 105997770), (180, 102464511), (190, 97071642), (228, 80893035), (261, 70665180), (270, 68309674), (285, 64714428), (290, 63598662), (342, 53928690), (348, 52998885), (380, 48535821), (435, 42399108), (513, 35952460), (522, 35332590), (540, 34154837), (551, 33472980), (570, 32357214), (580, 31799331), (684, 26964345), (783, 23555060), (855, 21571476), (870, 21199554), (1026, 17976230), (1044, 17666295), (1102, 16736490), (1140, 16178607), (1305, 14133036), (1566, 11777530), (1653, 11157660), (1710, 10785738), (1740, 10599777), (2052, 8988115), (2204, 8368245), (2565, 7190492), (2610, 7066518), (2755, 6694596), (3132, 5888765), (3306, 5578830), (3420, 5392869), (3915, 4711012), (4959, 3719220), (5130, 3595246), (5220, 3533259), (5510, 3347298), (6612, 2789415), (7830, 2355506), (8265, 2231532), (9918, 1859610), (10260, 1797623), (11020, 1673649), (14877, 1239740), (15660, 1177753), (16530, 1115766), (19836, 929805), (24795, 743844), (29754, 619870), (33060, 557883), (49590, 371922), (59508, 309935), (61987, 297540), (74385, 247948), (99180, 185961), (123974, 148770)]