18221580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{599}}^1$

素因数の和:640

約数の個数: 108

約数和(自身を含む): 59950800

約数和(自身を除く): 41729220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 599, 676, 780, 845, 1014, 1170, 1198, 1521, 1690, 1797, 2028, 2340, 2396, 2535, 2995, 3042, 3380, 3594, 5070, 5391, 5990, 6084, 7188, 7605, 7787, 8985, 10140, 10782, 11980, 15210, 15574, 17970, 21564, 23361, 26955, 30420, 31148, 35940, 38935, 46722, 53910, 70083, 77870, 93444, 101231, 107820, 116805, 140166, 155740, 202462, 233610, 280332, 303693, 350415, 404924, 467220, 506155, 607386, 700830, 911079, 1012310, 1214772, 1401660, 1518465, 1822158, 2024620, 3036930, 3644316, 4555395, 6073860, 9110790, 18221580]

約数ペア:

[(1, 18221580), (2, 9110790), (3, 6073860), (4, 4555395), (5, 3644316), (6, 3036930), (9, 2024620), (10, 1822158), (12, 1518465), (13, 1401660), (15, 1214772), (18, 1012310), (20, 911079), (26, 700830), (30, 607386), (36, 506155), (39, 467220), (45, 404924), (52, 350415), (60, 303693), (65, 280332), (78, 233610), (90, 202462), (117, 155740), (130, 140166), (156, 116805), (169, 107820), (180, 101231), (195, 93444), (234, 77870), (260, 70083), (338, 53910), (390, 46722), (468, 38935), (507, 35940), (585, 31148), (599, 30420), (676, 26955), (780, 23361), (845, 21564), (1014, 17970), (1170, 15574), (1198, 15210), (1521, 11980), (1690, 10782), (1797, 10140), (2028, 8985), (2340, 7787), (2396, 7605), (2535, 7188), (2995, 6084), (3042, 5990), (3380, 5391), (3594, 5070)]