19164440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28183}}^1$

素因数の和:28211

約数の個数: 32

約数和(自身を含む): 45658080

約数和(自身を除く): 26493640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28183, 56366, 112732, 140915, 225464, 281830, 479111, 563660, 958222, 1127320, 1916444, 2395555, 3832888, 4791110, 9582220, 19164440]

約数ペア:

[(1, 19164440), (2, 9582220), (4, 4791110), (5, 3832888), (8, 2395555), (10, 1916444), (17, 1127320), (20, 958222), (34, 563660), (40, 479111), (68, 281830), (85, 225464), (136, 140915), (170, 112732), (340, 56366), (680, 28183)]