19590263

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 24961440

約数和(自身を除く): 5371177

約数列:

[1, 7, 11, 77, 101, 121, 229, 707, 847, 1111, 1603, 2519, 7777, 12221, 17633, 23129, 27709, 85547, 161903, 193963, 254419, 1780933, 2798609, 19590263]

約数ペア:

[(1, 19590263), (7, 2798609), (11, 1780933), (77, 254419), (101, 193963), (121, 161903), (229, 85547), (707, 27709), (847, 23129), (1111, 17633), (1603, 12221), (2519, 7777)]