18386940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2179

約数の個数: 96

約数和(自身を含む): 60512256

約数和(自身を除く): 42125316

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2143, 2145, 2860, 4286, 4290, 6429, 8572, 8580, 10715, 12858, 21430, 23573, 25716, 27859, 32145, 42860, 47146, 55718, 64290, 70719, 83577, 94292, 111436, 117865, 128580, 139295, 141438, 167154, 235730, 278590, 282876, 306449, 334308, 353595, 417885, 471460, 557180, 612898, 707190, 835770, 919347, 1225796, 1414380, 1532245, 1671540, 1838694, 3064490, 3677388, 4596735, 6128980, 9193470, 18386940]

約数ペア:

[(1, 18386940), (2, 9193470), (3, 6128980), (4, 4596735), (5, 3677388), (6, 3064490), (10, 1838694), (11, 1671540), (12, 1532245), (13, 1414380), (15, 1225796), (20, 919347), (22, 835770), (26, 707190), (30, 612898), (33, 557180), (39, 471460), (44, 417885), (52, 353595), (55, 334308), (60, 306449), (65, 282876), (66, 278590), (78, 235730), (110, 167154), (130, 141438), (132, 139295), (143, 128580), (156, 117865), (165, 111436), (195, 94292), (220, 83577), (260, 70719), (286, 64290), (330, 55718), (390, 47146), (429, 42860), (572, 32145), (660, 27859), (715, 25716), (780, 23573), (858, 21430), (1430, 12858), (1716, 10715), (2143, 8580), (2145, 8572), (2860, 6429), (4286, 4290)]