19716190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4099}}^1$

素因数の和:4156

約数の個数: 32

約数和(自身を含む): 39261600

約数和(自身を除く): 19545410

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4099, 4810, 8198, 20495, 40990, 53287, 106574, 151663, 266435, 303326, 532870, 758315, 1516630, 1971619, 3943238, 9858095, 19716190]

約数ペア:

[(1, 19716190), (2, 9858095), (5, 3943238), (10, 1971619), (13, 1516630), (26, 758315), (37, 532870), (65, 303326), (74, 266435), (130, 151663), (185, 106574), (370, 53287), (481, 40990), (962, 20495), (2405, 8198), (4099, 4810)]