19871302

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 34577280

約数和(自身を除く): 14705978

約数列:

[1, 2, 11, 19, 22, 38, 137, 209, 274, 347, 418, 694, 1507, 2603, 3014, 3817, 5206, 6593, 7634, 13186, 28633, 47539, 57266, 72523, 95078, 145046, 522929, 903241, 1045858, 1806482, 9935651, 19871302]

約数ペア:

[(1, 19871302), (2, 9935651), (11, 1806482), (19, 1045858), (22, 903241), (38, 522929), (137, 145046), (209, 95078), (274, 72523), (347, 57266), (418, 47539), (694, 28633), (1507, 13186), (2603, 7634), (3014, 6593), (3817, 5206)]