18077240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8527}}^1$

素因数の和:8591

約数の個数: 32

約数和(自身を含む): 41446080

約数和(自身を除く): 23368840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 8527, 17054, 34108, 42635, 68216, 85270, 170540, 341080, 451931, 903862, 1807724, 2259655, 3615448, 4519310, 9038620, 18077240]

約数ペア:

[(1, 18077240), (2, 9038620), (4, 4519310), (5, 3615448), (8, 2259655), (10, 1807724), (20, 903862), (40, 451931), (53, 341080), (106, 170540), (212, 85270), (265, 68216), (424, 42635), (530, 34108), (1060, 17054), (2120, 8527)]