18524870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20357}}^1$

素因数の和:20384

約数の個数: 32

約数和(自身を含む): 41041728

約数和(自身を除く): 22516858

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20357, 40714, 101785, 142499, 203570, 264641, 284998, 529282, 712495, 1323205, 1424990, 1852487, 2646410, 3704974, 9262435, 18524870]

約数ペア:

[(1, 18524870), (2, 9262435), (5, 3704974), (7, 2646410), (10, 1852487), (13, 1424990), (14, 1323205), (26, 712495), (35, 529282), (65, 284998), (70, 264641), (91, 203570), (130, 142499), (182, 101785), (455, 40714), (910, 20357)]