16189780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2801}}^1$

素因数の和:2844

約数の個数: 36

約数和(自身を含む): 36128988

約数和(自身を除く): 19939208

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2801, 2890, 5602, 5780, 11204, 14005, 28010, 47617, 56020, 95234, 190468, 238085, 476170, 809489, 952340, 1618978, 3237956, 4047445, 8094890, 16189780]

約数ペア:

[(1, 16189780), (2, 8094890), (4, 4047445), (5, 3237956), (10, 1618978), (17, 952340), (20, 809489), (34, 476170), (68, 238085), (85, 190468), (170, 95234), (289, 56020), (340, 47617), (578, 28010), (1156, 14005), (1445, 11204), (2801, 5780), (2890, 5602)]