19318120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28409}}^1$

素因数の和:28437

約数の個数: 32

約数和(自身を含む): 46024200

約数和(自身を除く): 26706080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28409, 56818, 113636, 142045, 227272, 284090, 482953, 568180, 965906, 1136360, 1931812, 2414765, 3863624, 4829530, 9659060, 19318120]

約数ペア:

[(1, 19318120), (2, 9659060), (4, 4829530), (5, 3863624), (8, 2414765), (10, 1931812), (17, 1136360), (20, 965906), (34, 568180), (40, 482953), (68, 284090), (85, 227272), (136, 142045), (170, 113636), (340, 56818), (680, 28409)]