19798490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1214

約数の個数: 32

約数和(自身を含む): 37388736

約数和(自身を除く): 17590246

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 1123, 1763, 2246, 3526, 5615, 8815, 11230, 17630, 46043, 48289, 92086, 96578, 230215, 241445, 460430, 482890, 1979849, 3959698, 9899245, 19798490]

約数ペア:

[(1, 19798490), (2, 9899245), (5, 3959698), (10, 1979849), (41, 482890), (43, 460430), (82, 241445), (86, 230215), (205, 96578), (215, 92086), (410, 48289), (430, 46043), (1123, 17630), (1763, 11230), (2246, 8815), (3526, 5615)]