18961817

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2017}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 23247360

約数和(自身を除く): 4285543

約数列:

[1, 7, 17, 79, 119, 553, 1343, 2017, 9401, 14119, 34289, 159343, 240023, 1115401, 2708831, 18961817]

約数ペア:

[(1, 18961817), (7, 2708831), (17, 1115401), (79, 240023), (119, 159343), (553, 34289), (1343, 14119), (2017, 9401)]