19005218

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:418

約数の個数: 24

約数和(自身を含む): 30636144

約数和(自身を除く): 11630926

約数列:

[1, 2, 17, 34, 131, 251, 262, 289, 502, 578, 2227, 4267, 4454, 8534, 32881, 37859, 65762, 72539, 75718, 145078, 558977, 1117954, 9502609, 19005218]

約数ペア:

[(1, 19005218), (2, 9502609), (17, 1117954), (34, 558977), (131, 145078), (251, 75718), (262, 72539), (289, 65762), (502, 37859), (578, 32881), (2227, 8534), (4267, 4454)]