18787930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2767}}^1$

素因数の和:2878

約数の個数: 32

約数和(自身を含む): 39062016

約数和(自身を除く): 20274086

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 2767, 3395, 5534, 6790, 13835, 19369, 27670, 38738, 96845, 193690, 268399, 536798, 1341995, 1878793, 2683990, 3757586, 9393965, 18787930]

約数ペア:

[(1, 18787930), (2, 9393965), (5, 3757586), (7, 2683990), (10, 1878793), (14, 1341995), (35, 536798), (70, 268399), (97, 193690), (194, 96845), (485, 38738), (679, 27670), (970, 19369), (1358, 13835), (2767, 6790), (3395, 5534)]