18894840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157457}}^1$

素因数の和:157471

約数の個数: 32

約数和(自身を含む): 56684880

約数和(自身を除く): 37790040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157457, 314914, 472371, 629828, 787285, 944742, 1259656, 1574570, 1889484, 2361855, 3149140, 3778968, 4723710, 6298280, 9447420, 18894840]

約数ペア:

[(1, 18894840), (2, 9447420), (3, 6298280), (4, 4723710), (5, 3778968), (6, 3149140), (8, 2361855), (10, 1889484), (12, 1574570), (15, 1259656), (20, 944742), (24, 787285), (30, 629828), (40, 472371), (60, 314914), (120, 157457)]