18573724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21011}}^1$

素因数の和:21045

約数の個数: 24

約数和(自身を含む): 37065168

約数和(自身を除く): 18491444

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 21011, 42022, 84044, 273143, 357187, 546286, 714374, 1092572, 1428748, 4643431, 9286862, 18573724]

約数ペア:

[(1, 18573724), (2, 9286862), (4, 4643431), (13, 1428748), (17, 1092572), (26, 714374), (34, 546286), (52, 357187), (68, 273143), (221, 84044), (442, 42022), (884, 21011)]