18996676

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 34513920

約数和(自身を除く): 15517244

約数列:

[1, 2, 4, 31, 62, 124, 239, 478, 641, 956, 1282, 2564, 7409, 14818, 19871, 29636, 39742, 79484, 153199, 306398, 612796, 4749169, 9498338, 18996676]

約数ペア:

[(1, 18996676), (2, 9498338), (4, 4749169), (31, 612796), (62, 306398), (124, 153199), (239, 79484), (478, 39742), (641, 29636), (956, 19871), (1282, 14818), (2564, 7409)]