19889814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1069}}^1$

素因数の和:1524

約数の個数: 32

約数和(自身を含む): 45607680

約数和(自身を除く): 25717866

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 443, 886, 1069, 1329, 2138, 2658, 3101, 3207, 6202, 6414, 7483, 9303, 14966, 18606, 22449, 44898, 473567, 947134, 1420701, 2841402, 3314969, 6629938, 9944907, 19889814]

約数ペア:

[(1, 19889814), (2, 9944907), (3, 6629938), (6, 3314969), (7, 2841402), (14, 1420701), (21, 947134), (42, 473567), (443, 44898), (886, 22449), (1069, 18606), (1329, 14966), (2138, 9303), (2658, 7483), (3101, 6414), (3207, 6202)]