19400680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37309}}^1$

素因数の和:37333

約数の個数: 32

約数和(自身を含む): 47010600

約数和(自身を除く): 27609920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37309, 74618, 149236, 186545, 298472, 373090, 485017, 746180, 970034, 1492360, 1940068, 2425085, 3880136, 4850170, 9700340, 19400680]

約数ペア:

[(1, 19400680), (2, 9700340), (4, 4850170), (5, 3880136), (8, 2425085), (10, 1940068), (13, 1492360), (20, 970034), (26, 746180), (40, 485017), (52, 373090), (65, 298472), (104, 186545), (130, 149236), (260, 74618), (520, 37309)]