19109503

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 22325760

約数和(自身を除く): 3216257

約数列:

[1, 7, 101, 151, 179, 707, 1057, 1253, 15251, 18079, 27029, 106757, 126553, 189203, 2729929, 19109503]

約数ペア:

[(1, 19109503), (7, 2729929), (101, 189203), (151, 126553), (179, 106757), (707, 27029), (1057, 18079), (1253, 15251)]