19010888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3449}}^1$

素因数の和:3521

約数の個数: 32

約数和(自身を含む): 39123000

約数和(自身を除く): 20112112

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3449, 5512, 6898, 13796, 27592, 44837, 89674, 179348, 182797, 358696, 365594, 731188, 1462376, 2376361, 4752722, 9505444, 19010888]

約数ペア:

[(1, 19010888), (2, 9505444), (4, 4752722), (8, 2376361), (13, 1462376), (26, 731188), (52, 365594), (53, 358696), (104, 182797), (106, 179348), (212, 89674), (424, 44837), (689, 27592), (1378, 13796), (2756, 6898), (3449, 5512)]