31819268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19739}}^1$

素因数の和:19787

約数の個数: 24

約数和(自身を含む): 61904640

約数和(自身を除く): 30085372

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 19739, 39478, 78956, 256607, 513214, 611909, 1026428, 1223818, 2447636, 7954817, 15909634, 31819268]

約数ペア:

[(1, 31819268), (2, 15909634), (4, 7954817), (13, 2447636), (26, 1223818), (31, 1026428), (52, 611909), (62, 513214), (124, 256607), (403, 78956), (806, 39478), (1612, 19739)]