19973254

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18059}}^1$

素因数の和:18147

約数の個数: 16

約数和(自身を含む): 34675200

約数和(自身を除く): 14701946

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 18059, 36118, 126413, 252826, 1426661, 2853322, 9986627, 19973254]

約数ペア:

[(1, 19973254), (2, 9986627), (7, 2853322), (14, 1426661), (79, 252826), (158, 126413), (553, 36118), (1106, 18059)]