18640875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{4519}}^1$

素因数の和:4548

約数の個数: 32

約数和(自身を含む): 33845760

約数和(自身を除く): 15204885

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 4519, 13557, 22595, 49709, 67785, 112975, 149127, 248545, 338925, 564875, 745635, 1242725, 1694625, 3728175, 6213625, 18640875]

約数ペア:

[(1, 18640875), (3, 6213625), (5, 3728175), (11, 1694625), (15, 1242725), (25, 745635), (33, 564875), (55, 338925), (75, 248545), (125, 149127), (165, 112975), (275, 67785), (375, 49709), (825, 22595), (1375, 13557), (4125, 4519)]