18122580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:798

約数の個数: 144

約数和(自身を含む): 66218880

約数和(自身を除く): 48096300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 757, 798, 855, 1140, 1197, 1260, 1330, 1514, 1596, 1710, 1995, 2271, 2394, 2660, 3028, 3420, 3785, 3990, 4542, 4788, 5299, 5985, 6813, 7570, 7980, 9084, 10598, 11355, 11970, 13626, 14383, 15140, 15897, 21196, 22710, 23940, 26495, 27252, 28766, 31794, 34065, 43149, 45420, 47691, 52990, 57532, 63588, 68130, 71915, 79485, 86298, 95382, 100681, 105980, 129447, 136260, 143830, 158970, 172596, 190764, 201362, 215745, 238455, 258894, 287660, 302043, 317940, 402724, 431490, 476910, 503405, 517788, 604086, 647235, 862980, 906129, 953820, 1006810, 1208172, 1294470, 1510215, 1812258, 2013620, 2588940, 3020430, 3624516, 4530645, 6040860, 9061290, 18122580]

約数ペア:

[(1, 18122580), (2, 9061290), (3, 6040860), (4, 4530645), (5, 3624516), (6, 3020430), (7, 2588940), (9, 2013620), (10, 1812258), (12, 1510215), (14, 1294470), (15, 1208172), (18, 1006810), (19, 953820), (20, 906129), (21, 862980), (28, 647235), (30, 604086), (35, 517788), (36, 503405), (38, 476910), (42, 431490), (45, 402724), (57, 317940), (60, 302043), (63, 287660), (70, 258894), (76, 238455), (84, 215745), (90, 201362), (95, 190764), (105, 172596), (114, 158970), (126, 143830), (133, 136260), (140, 129447), (171, 105980), (180, 100681), (190, 95382), (210, 86298), (228, 79485), (252, 71915), (266, 68130), (285, 63588), (315, 57532), (342, 52990), (380, 47691), (399, 45420), (420, 43149), (532, 34065), (570, 31794), (630, 28766), (665, 27252), (684, 26495), (757, 23940), (798, 22710), (855, 21196), (1140, 15897), (1197, 15140), (1260, 14383), (1330, 13626), (1514, 11970), (1596, 11355), (1710, 10598), (1995, 9084), (2271, 7980), (2394, 7570), (2660, 6813), (3028, 5985), (3420, 5299), (3785, 4788), (3990, 4542)]