18519300

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{19}}^3$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 62843200

約数和(自身を除く): 44323900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 75, 76, 90, 95, 100, 108, 114, 135, 150, 171, 180, 190, 225, 228, 270, 285, 300, 342, 361, 380, 450, 475, 513, 540, 570, 675, 684, 722, 855, 900, 950, 1026, 1083, 1140, 1350, 1425, 1444, 1710, 1805, 1900, 2052, 2166, 2565, 2700, 2850, 3249, 3420, 3610, 4275, 4332, 5130, 5415, 5700, 6498, 6859, 7220, 8550, 9025, 9747, 10260, 10830, 12825, 12996, 13718, 16245, 17100, 18050, 19494, 20577, 21660, 25650, 27075, 27436, 32490, 34295, 36100, 38988, 41154, 48735, 51300, 54150, 61731, 64980, 68590, 81225, 82308, 97470, 102885, 108300, 123462, 137180, 162450, 171475, 185193, 194940, 205770, 243675, 246924, 308655, 324900, 342950, 370386, 411540, 487350, 514425, 617310, 685900, 740772, 925965, 974700, 1028850, 1234620, 1543275, 1851930, 2057700, 3086550, 3703860, 4629825, 6173100, 9259650, 18519300]

約数ペア:

[(1, 18519300), (2, 9259650), (3, 6173100), (4, 4629825), (5, 3703860), (6, 3086550), (9, 2057700), (10, 1851930), (12, 1543275), (15, 1234620), (18, 1028850), (19, 974700), (20, 925965), (25, 740772), (27, 685900), (30, 617310), (36, 514425), (38, 487350), (45, 411540), (50, 370386), (54, 342950), (57, 324900), (60, 308655), (75, 246924), (76, 243675), (90, 205770), (95, 194940), (100, 185193), (108, 171475), (114, 162450), (135, 137180), (150, 123462), (171, 108300), (180, 102885), (190, 97470), (225, 82308), (228, 81225), (270, 68590), (285, 64980), (300, 61731), (342, 54150), (361, 51300), (380, 48735), (450, 41154), (475, 38988), (513, 36100), (540, 34295), (570, 32490), (675, 27436), (684, 27075), (722, 25650), (855, 21660), (900, 20577), (950, 19494), (1026, 18050), (1083, 17100), (1140, 16245), (1350, 13718), (1425, 12996), (1444, 12825), (1710, 10830), (1805, 10260), (1900, 9747), (2052, 9025), (2166, 8550), (2565, 7220), (2700, 6859), (2850, 6498), (3249, 5700), (3420, 5415), (3610, 5130), (4275, 4332)]