18660812

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12923}}^1$

素因数の和:12965

約数の個数: 18

約数和(自身を含む): 34468308

約数和(自身を除く): 15807496

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12923, 25846, 51692, 245537, 491074, 982148, 4665203, 9330406, 18660812]

約数ペア:

[(1, 18660812), (2, 9330406), (4, 4665203), (19, 982148), (38, 491074), (76, 245537), (361, 51692), (722, 25846), (1444, 12923)]