18649260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:101

約数の個数: 216

約数和(自身を含む): 69896736

約数和(自身を除く): 51247476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 41, 42, 45, 57, 60, 63, 70, 76, 82, 84, 90, 95, 105, 114, 123, 126, 133, 140, 164, 171, 180, 190, 205, 210, 228, 246, 252, 266, 285, 287, 315, 342, 361, 369, 380, 399, 410, 420, 492, 532, 570, 574, 615, 630, 665, 684, 722, 738, 779, 798, 820, 855, 861, 1083, 1140, 1148, 1197, 1230, 1260, 1330, 1435, 1444, 1476, 1558, 1596, 1710, 1722, 1805, 1845, 1995, 2166, 2337, 2394, 2460, 2527, 2583, 2660, 2870, 3116, 3249, 3420, 3444, 3610, 3690, 3895, 3990, 4305, 4332, 4674, 4788, 5054, 5166, 5415, 5453, 5740, 5985, 6498, 7011, 7220, 7380, 7581, 7790, 7980, 8610, 9348, 10108, 10332, 10830, 10906, 11685, 11970, 12635, 12915, 12996, 14022, 14801, 15162, 15580, 16245, 16359, 17220, 21660, 21812, 22743, 23370, 23940, 25270, 25830, 27265, 28044, 29602, 30324, 32490, 32718, 35055, 37905, 44403, 45486, 46740, 49077, 50540, 51660, 54530, 59204, 64980, 65436, 70110, 74005, 75810, 81795, 88806, 90972, 98154, 103607, 109060, 113715, 133209, 140220, 148010, 151620, 163590, 177612, 196308, 207214, 222015, 227430, 245385, 266418, 296020, 310821, 327180, 414428, 444030, 454860, 490770, 518035, 532836, 621642, 666045, 888060, 932463, 981540, 1036070, 1243284, 1332090, 1554105, 1864926, 2072140, 2664180, 3108210, 3729852, 4662315, 6216420, 9324630, 18649260]

約数ペア:

[(1, 18649260), (2, 9324630), (3, 6216420), (4, 4662315), (5, 3729852), (6, 3108210), (7, 2664180), (9, 2072140), (10, 1864926), (12, 1554105), (14, 1332090), (15, 1243284), (18, 1036070), (19, 981540), (20, 932463), (21, 888060), (28, 666045), (30, 621642), (35, 532836), (36, 518035), (38, 490770), (41, 454860), (42, 444030), (45, 414428), (57, 327180), (60, 310821), (63, 296020), (70, 266418), (76, 245385), (82, 227430), (84, 222015), (90, 207214), (95, 196308), (105, 177612), (114, 163590), (123, 151620), (126, 148010), (133, 140220), (140, 133209), (164, 113715), (171, 109060), (180, 103607), (190, 98154), (205, 90972), (210, 88806), (228, 81795), (246, 75810), (252, 74005), (266, 70110), (285, 65436), (287, 64980), (315, 59204), (342, 54530), (361, 51660), (369, 50540), (380, 49077), (399, 46740), (410, 45486), (420, 44403), (492, 37905), (532, 35055), (570, 32718), (574, 32490), (615, 30324), (630, 29602), (665, 28044), (684, 27265), (722, 25830), (738, 25270), (779, 23940), (798, 23370), (820, 22743), (855, 21812), (861, 21660), (1083, 17220), (1140, 16359), (1148, 16245), (1197, 15580), (1230, 15162), (1260, 14801), (1330, 14022), (1435, 12996), (1444, 12915), (1476, 12635), (1558, 11970), (1596, 11685), (1710, 10906), (1722, 10830), (1805, 10332), (1845, 10108), (1995, 9348), (2166, 8610), (2337, 7980), (2394, 7790), (2460, 7581), (2527, 7380), (2583, 7220), (2660, 7011), (2870, 6498), (3116, 5985), (3249, 5740), (3420, 5453), (3444, 5415), (3610, 5166), (3690, 5054), (3895, 4788), (3990, 4674), (4305, 4332)]