18091450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{2141}}^1$

素因数の和:2179

約数の個数: 36

約数和(自身を含む): 36454698

約数和(自身を除く): 18363248

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 2141, 4225, 4282, 8450, 10705, 21410, 27833, 53525, 55666, 107050, 139165, 278330, 361829, 695825, 723658, 1391650, 1809145, 3618290, 9045725, 18091450]

約数ペア:

[(1, 18091450), (2, 9045725), (5, 3618290), (10, 1809145), (13, 1391650), (25, 723658), (26, 695825), (50, 361829), (65, 278330), (130, 139165), (169, 107050), (325, 55666), (338, 53525), (650, 27833), (845, 21410), (1690, 10705), (2141, 8450), (4225, 4282)]