19181899

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1531}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 22502016

約数和(自身を除く): 3320117

約数列:

[1, 11, 17, 67, 187, 737, 1139, 1531, 12529, 16841, 26027, 102577, 286297, 1128347, 1743809, 19181899]

約数ペア:

[(1, 19181899), (11, 1743809), (17, 1128347), (67, 286297), (187, 102577), (737, 26027), (1139, 16841), (1531, 12529)]