19912974

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{709}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 41441280

約数和(自身を除く): 21528306

約数列:

[1, 2, 3, 6, 31, 62, 93, 151, 186, 302, 453, 709, 906, 1418, 2127, 4254, 4681, 9362, 14043, 21979, 28086, 43958, 65937, 107059, 131874, 214118, 321177, 642354, 3318829, 6637658, 9956487, 19912974]

約数ペア:

[(1, 19912974), (2, 9956487), (3, 6637658), (6, 3318829), (31, 642354), (62, 321177), (93, 214118), (151, 131874), (186, 107059), (302, 65937), (453, 43958), (709, 28086), (906, 21979), (1418, 14043), (2127, 9362), (4254, 4681)]