19139354

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10987}}^1$

素因数の和:11069

約数の個数: 16

約数和(自身を含む): 31381728

約数和(自身を除く): 12242374

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 10987, 21974, 142831, 285662, 736129, 1472258, 9569677, 19139354]

約数ペア:

[(1, 19139354), (2, 9569677), (13, 1472258), (26, 736129), (67, 285662), (134, 142831), (871, 21974), (1742, 10987)]