19957208

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 38741760

約数和(自身を除く): 18784552

約数列:

[1, 2, 4, 8, 37, 74, 148, 191, 296, 353, 382, 706, 764, 1412, 1528, 2824, 7067, 13061, 14134, 26122, 28268, 52244, 56536, 67423, 104488, 134846, 269692, 539384, 2494651, 4989302, 9978604, 19957208]

約数ペア:

[(1, 19957208), (2, 9978604), (4, 4989302), (8, 2494651), (37, 539384), (74, 269692), (148, 134846), (191, 104488), (296, 67423), (353, 56536), (382, 52244), (706, 28268), (764, 26122), (1412, 14134), (1528, 13061), (2824, 7067)]