19855329

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{8629}}^1$

素因数の和:8704

約数の個数: 16

約数和(自身を含む): 28996800

約数和(自身を除く): 9141471

約数列:

[1, 3, 13, 39, 59, 177, 767, 2301, 8629, 25887, 112177, 336531, 509111, 1527333, 6618443, 19855329]

約数ペア:

[(1, 19855329), (3, 6618443), (13, 1527333), (39, 509111), (59, 336531), (177, 112177), (767, 25887), (2301, 8629)]