18412785

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 35458560

約数和(自身を除く): 17045775

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 71, 85, 113, 135, 153, 213, 255, 339, 355, 459, 565, 639, 765, 1017, 1065, 1207, 1695, 1917, 1921, 2295, 3051, 3195, 3621, 5085, 5763, 6035, 8023, 9585, 9605, 10863, 15255, 17289, 18105, 24069, 28815, 32589, 40115, 51867, 54315, 72207, 86445, 120345, 136391, 162945, 216621, 259335, 361035, 409173, 681955, 1083105, 1227519, 2045865, 3682557, 6137595, 18412785]

約数ペア:

[(1, 18412785), (3, 6137595), (5, 3682557), (9, 2045865), (15, 1227519), (17, 1083105), (27, 681955), (45, 409173), (51, 361035), (71, 259335), (85, 216621), (113, 162945), (135, 136391), (153, 120345), (213, 86445), (255, 72207), (339, 54315), (355, 51867), (459, 40115), (565, 32589), (639, 28815), (765, 24069), (1017, 18105), (1065, 17289), (1207, 15255), (1695, 10863), (1917, 9605), (1921, 9585), (2295, 8023), (3051, 6035), (3195, 5763), (3621, 5085)]