18648842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 30697920

約数和(自身を除く): 12049078

約数列:

[1, 2, 19, 38, 43, 86, 101, 113, 202, 226, 817, 1634, 1919, 2147, 3838, 4294, 4343, 4859, 8686, 9718, 11413, 22826, 82517, 92321, 165034, 184642, 216847, 433694, 490759, 981518, 9324421, 18648842]

約数ペア:

[(1, 18648842), (2, 9324421), (19, 981518), (38, 490759), (43, 433694), (86, 216847), (101, 184642), (113, 165034), (202, 92321), (226, 82517), (817, 22826), (1634, 11413), (1919, 9718), (2147, 8686), (3838, 4859), (4294, 4343)]