19165540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5879}}^1$

素因数の和:6051

約数の個数: 24

約数和(自身を含む): 40501440

約数和(自身を除く): 21335900

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5879, 11758, 23516, 29395, 58790, 117580, 958277, 1916554, 3833108, 4791385, 9582770, 19165540]

約数ペア:

[(1, 19165540), (2, 9582770), (4, 4791385), (5, 3833108), (10, 1916554), (20, 958277), (163, 117580), (326, 58790), (652, 29395), (815, 23516), (1630, 11758), (3260, 5879)]