19388993

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1487}}^1$

素因数の和:1576

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 3109567

約数列:

[1, 13, 17, 59, 221, 767, 1003, 1487, 13039, 19331, 25279, 87733, 328627, 1140529, 1491461, 19388993]

約数ペア:

[(1, 19388993), (13, 1491461), (17, 1140529), (59, 328627), (221, 87733), (767, 25279), (1003, 19331), (1487, 13039)]