19308991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2202

約数の個数: 16

約数和(自身を含む): 22565088

約数和(自身を除く): 3256097

約数列:

[1, 13, 17, 41, 221, 533, 697, 2131, 9061, 27703, 36227, 87371, 470951, 1135823, 1485307, 19308991]

約数ペア:

[(1, 19308991), (13, 1485307), (17, 1135823), (41, 470951), (221, 87371), (533, 36227), (697, 27703), (2131, 9061)]