18536139

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 27648192

約数和(自身を除く): 9112053

約数列:

[1, 3, 9, 43, 129, 211, 227, 387, 633, 681, 1899, 2043, 9073, 9761, 27219, 29283, 47897, 81657, 87849, 143691, 431073, 2059571, 6178713, 18536139]

約数ペア:

[(1, 18536139), (3, 6178713), (9, 2059571), (43, 431073), (129, 143691), (211, 87849), (227, 81657), (387, 47897), (633, 29283), (681, 27219), (1899, 9761), (2043, 9073)]