18561660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 57153600

約数和(自身を除く): 38591940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 53, 60, 65, 78, 106, 130, 156, 159, 195, 212, 260, 265, 318, 390, 449, 530, 636, 689, 780, 795, 898, 1060, 1347, 1378, 1590, 1796, 2067, 2245, 2694, 2756, 3180, 3445, 4134, 4490, 5388, 5837, 6735, 6890, 8268, 8980, 10335, 11674, 13470, 13780, 17511, 20670, 23348, 23797, 26940, 29185, 35022, 41340, 47594, 58370, 70044, 71391, 87555, 95188, 116740, 118985, 142782, 175110, 237970, 285564, 309361, 350220, 356955, 475940, 618722, 713910, 928083, 1237444, 1427820, 1546805, 1856166, 3093610, 3712332, 4640415, 6187220, 9280830, 18561660]

約数ペア:

[(1, 18561660), (2, 9280830), (3, 6187220), (4, 4640415), (5, 3712332), (6, 3093610), (10, 1856166), (12, 1546805), (13, 1427820), (15, 1237444), (20, 928083), (26, 713910), (30, 618722), (39, 475940), (52, 356955), (53, 350220), (60, 309361), (65, 285564), (78, 237970), (106, 175110), (130, 142782), (156, 118985), (159, 116740), (195, 95188), (212, 87555), (260, 71391), (265, 70044), (318, 58370), (390, 47594), (449, 41340), (530, 35022), (636, 29185), (689, 26940), (780, 23797), (795, 23348), (898, 20670), (1060, 17511), (1347, 13780), (1378, 13470), (1590, 11674), (1796, 10335), (2067, 8980), (2245, 8268), (2694, 6890), (2756, 6735), (3180, 5837), (3445, 5388), (4134, 4490)]