19226870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 37588320

約数和(自身を除く): 18361450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1129, 1310, 1703, 2258, 3406, 5645, 8515, 11290, 14677, 17030, 29354, 73385, 146770, 147899, 295798, 739495, 1478990, 1922687, 3845374, 9613435, 19226870]

約数ペア:

[(1, 19226870), (2, 9613435), (5, 3845374), (10, 1922687), (13, 1478990), (26, 739495), (65, 295798), (130, 147899), (131, 146770), (262, 73385), (655, 29354), (1129, 17030), (1310, 14677), (1703, 11290), (2258, 8515), (3406, 5645)]