2158438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:819

約数の個数: 16

約数和(自身を含む): 3456000

約数和(自身を除く): 1297562

約数列:

[1, 2, 19, 38, 79, 158, 719, 1438, 1501, 3002, 13661, 27322, 56801, 113602, 1079219, 2158438]

約数ペア:

[(1, 2158438), (2, 1079219), (19, 113602), (38, 56801), (79, 27322), (158, 13661), (719, 3002), (1438, 1501)]