18953676

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 57975456

約数和(自身を除く): 39021780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 81, 84, 108, 122, 126, 137, 162, 183, 189, 244, 252, 274, 324, 366, 378, 411, 427, 548, 549, 567, 732, 756, 822, 854, 959, 1098, 1134, 1233, 1281, 1644, 1647, 1708, 1918, 2196, 2268, 2466, 2562, 2877, 3294, 3699, 3836, 3843, 4932, 4941, 5124, 5754, 6588, 7398, 7686, 8357, 8631, 9882, 11097, 11508, 11529, 14796, 15372, 16714, 17262, 19764, 22194, 23058, 25071, 25893, 33428, 34524, 34587, 44388, 46116, 50142, 51786, 58499, 69174, 75213, 77679, 100284, 103572, 116998, 138348, 150426, 155358, 175497, 225639, 233996, 300852, 310716, 350994, 451278, 526491, 676917, 701988, 902556, 1052982, 1353834, 1579473, 2105964, 2707668, 3158946, 4738419, 6317892, 9476838, 18953676]

約数ペア:

[(1, 18953676), (2, 9476838), (3, 6317892), (4, 4738419), (6, 3158946), (7, 2707668), (9, 2105964), (12, 1579473), (14, 1353834), (18, 1052982), (21, 902556), (27, 701988), (28, 676917), (36, 526491), (42, 451278), (54, 350994), (61, 310716), (63, 300852), (81, 233996), (84, 225639), (108, 175497), (122, 155358), (126, 150426), (137, 138348), (162, 116998), (183, 103572), (189, 100284), (244, 77679), (252, 75213), (274, 69174), (324, 58499), (366, 51786), (378, 50142), (411, 46116), (427, 44388), (548, 34587), (549, 34524), (567, 33428), (732, 25893), (756, 25071), (822, 23058), (854, 22194), (959, 19764), (1098, 17262), (1134, 16714), (1233, 15372), (1281, 14796), (1644, 11529), (1647, 11508), (1708, 11097), (1918, 9882), (2196, 8631), (2268, 8357), (2466, 7686), (2562, 7398), (2877, 6588), (3294, 5754), (3699, 5124), (3836, 4941), (3843, 4932)]