18172456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2843}}^1$

素因数の和:2913

約数の個数: 32

約数和(自身を含む): 36858240

約数和(自身を除く): 18685784

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 2843, 3196, 5686, 6392, 11372, 22744, 48331, 96662, 133621, 193324, 267242, 386648, 534484, 1068968, 2271557, 4543114, 9086228, 18172456]

約数ペア:

[(1, 18172456), (2, 9086228), (4, 4543114), (8, 2271557), (17, 1068968), (34, 534484), (47, 386648), (68, 267242), (94, 193324), (136, 133621), (188, 96662), (376, 48331), (799, 22744), (1598, 11372), (2843, 6392), (3196, 5686)]