18377432

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 35575200

約数和(自身を除く): 17197768

約数列:

[1, 2, 4, 8, 53, 89, 106, 178, 212, 356, 424, 487, 712, 974, 1948, 3896, 4717, 9434, 18868, 25811, 37736, 43343, 51622, 86686, 103244, 173372, 206488, 346744, 2297179, 4594358, 9188716, 18377432]

約数ペア:

[(1, 18377432), (2, 9188716), (4, 4594358), (8, 2297179), (53, 346744), (89, 206488), (106, 173372), (178, 103244), (212, 86686), (356, 51622), (424, 43343), (487, 37736), (712, 25811), (974, 18868), (1948, 9434), (3896, 4717)]