1814228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 3457440

約数和(自身を除く): 1643212

約数列:

[1, 2, 4, 13, 26, 52, 139, 251, 278, 502, 556, 1004, 1807, 3263, 3614, 6526, 7228, 13052, 34889, 69778, 139556, 453557, 907114, 1814228]

約数ペア:

[(1, 1814228), (2, 907114), (4, 453557), (13, 139556), (26, 69778), (52, 34889), (139, 13052), (251, 7228), (278, 6526), (502, 3614), (556, 3263), (1004, 1807)]