18412875

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1259}}^1$

素因数の和:1293

約数の個数: 48

約数和(自身を含む): 35773920

約数和(自身を除く): 17361045

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1125, 1259, 1625, 2925, 3777, 4875, 6295, 11331, 14625, 16367, 18885, 31475, 49101, 56655, 81835, 94425, 147303, 157375, 245505, 283275, 409175, 472125, 736515, 1227525, 1416375, 2045875, 3682575, 6137625, 18412875]

約数ペア:

[(1, 18412875), (3, 6137625), (5, 3682575), (9, 2045875), (13, 1416375), (15, 1227525), (25, 736515), (39, 472125), (45, 409175), (65, 283275), (75, 245505), (117, 157375), (125, 147303), (195, 94425), (225, 81835), (325, 56655), (375, 49101), (585, 31475), (975, 18885), (1125, 16367), (1259, 14625), (1625, 11331), (2925, 6295), (3777, 4875)]