18445505

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 24349248

約数和(自身を除く): 5903743

約数列:

[1, 5, 13, 65, 83, 169, 263, 415, 845, 1079, 1315, 3419, 5395, 14027, 17095, 21829, 44447, 70135, 109145, 222235, 283777, 1418885, 3689101, 18445505]

約数ペア:

[(1, 18445505), (5, 3689101), (13, 1418885), (65, 283777), (83, 222235), (169, 109145), (263, 70135), (415, 44447), (845, 21829), (1079, 17095), (1315, 14027), (3419, 5395)]