19174181

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1637}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 22289904

約数和(自身を除く): 3115723

約数列:

[1, 13, 17, 53, 221, 689, 901, 1637, 11713, 21281, 27829, 86761, 361777, 1127893, 1474937, 19174181]

約数ペア:

[(1, 19174181), (13, 1474937), (17, 1127893), (53, 361777), (221, 86761), (689, 27829), (901, 21281), (1637, 11713)]