18993403

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 23795856

約数和(自身を除く): 4802453

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 601, 1859, 2431, 2873, 6611, 7813, 10217, 31603, 85943, 101569, 112387, 132821, 1117259, 1461031, 1726673, 18993403]

約数ペア:

[(1, 18993403), (11, 1726673), (13, 1461031), (17, 1117259), (143, 132821), (169, 112387), (187, 101569), (221, 85943), (601, 31603), (1859, 10217), (2431, 7813), (2873, 6611)]