19402994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1129}}^1$

素因数の和:1805

約数の個数: 16

約数和(自身を含む): 31418520

約数和(自身を除く): 12015526

約数列:

[1, 2, 13, 26, 661, 1129, 1322, 2258, 8593, 14677, 17186, 29354, 746269, 1492538, 9701497, 19402994]

約数ペア:

[(1, 19402994), (2, 9701497), (13, 1492538), (26, 746269), (661, 29354), (1129, 17186), (1322, 14677), (2258, 8593)]