19448915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1291}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 24558336

約数和(自身を除く): 5109421

約数列:

[1, 5, 23, 115, 131, 655, 1291, 3013, 6455, 15065, 29693, 148465, 169121, 845605, 3889783, 19448915]

約数ペア:

[(1, 19448915), (5, 3889783), (23, 845605), (115, 169121), (131, 148465), (655, 29693), (1291, 15065), (3013, 6455)]