19250120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28309}}^1$

素因数の和:28337

約数の個数: 32

約数和(自身を含む): 45862200

約数和(自身を除く): 26612080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28309, 56618, 113236, 141545, 226472, 283090, 481253, 566180, 962506, 1132360, 1925012, 2406265, 3850024, 4812530, 9625060, 19250120]

約数ペア:

[(1, 19250120), (2, 9625060), (4, 4812530), (5, 3850024), (8, 2406265), (10, 1925012), (17, 1132360), (20, 962506), (34, 566180), (40, 481253), (68, 283090), (85, 226472), (136, 141545), (170, 113236), (340, 56618), (680, 28309)]