18611580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 38288004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 107, 130, 156, 195, 214, 223, 260, 321, 390, 428, 446, 535, 642, 669, 780, 892, 1070, 1115, 1284, 1338, 1391, 1605, 2140, 2230, 2676, 2782, 2899, 3210, 3345, 4173, 4460, 5564, 5798, 6420, 6690, 6955, 8346, 8697, 11596, 13380, 13910, 14495, 16692, 17394, 20865, 23861, 27820, 28990, 34788, 41730, 43485, 47722, 57980, 71583, 83460, 86970, 95444, 119305, 143166, 173940, 238610, 286332, 310193, 357915, 477220, 620386, 715830, 930579, 1240772, 1431660, 1550965, 1861158, 3101930, 3722316, 4652895, 6203860, 9305790, 18611580]

約数ペア:

[(1, 18611580), (2, 9305790), (3, 6203860), (4, 4652895), (5, 3722316), (6, 3101930), (10, 1861158), (12, 1550965), (13, 1431660), (15, 1240772), (20, 930579), (26, 715830), (30, 620386), (39, 477220), (52, 357915), (60, 310193), (65, 286332), (78, 238610), (107, 173940), (130, 143166), (156, 119305), (195, 95444), (214, 86970), (223, 83460), (260, 71583), (321, 57980), (390, 47722), (428, 43485), (446, 41730), (535, 34788), (642, 28990), (669, 27820), (780, 23861), (892, 20865), (1070, 17394), (1115, 16692), (1284, 14495), (1338, 13910), (1391, 13380), (1605, 11596), (2140, 8697), (2230, 8346), (2676, 6955), (2782, 6690), (2899, 6420), (3210, 5798), (3345, 5564), (4173, 4460)]