18464680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35509}}^1$

素因数の和:35533

約数の個数: 32

約数和(自身を含む): 44742600

約数和(自身を除く): 26277920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35509, 71018, 142036, 177545, 284072, 355090, 461617, 710180, 923234, 1420360, 1846468, 2308085, 3692936, 4616170, 9232340, 18464680]

約数ペア:

[(1, 18464680), (2, 9232340), (4, 4616170), (5, 3692936), (8, 2308085), (10, 1846468), (13, 1420360), (20, 923234), (26, 710180), (40, 461617), (52, 355090), (65, 284072), (104, 177545), (130, 142036), (260, 71018), (520, 35509)]