18915528

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{18329}}^1$

素因数の和:18381

約数の個数: 32

約数和(自身を含む): 48391200

約数和(自身を除く): 29475672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 18329, 36658, 54987, 73316, 109974, 146632, 219948, 439896, 788147, 1576294, 2364441, 3152588, 4728882, 6305176, 9457764, 18915528]

約数ペア:

[(1, 18915528), (2, 9457764), (3, 6305176), (4, 4728882), (6, 3152588), (8, 2364441), (12, 1576294), (24, 788147), (43, 439896), (86, 219948), (129, 146632), (172, 109974), (258, 73316), (344, 54987), (516, 36658), (1032, 18329)]