13193342210

素因数分解:

$2^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{663983}}^1$

素因数の和:665977

約数の個数: 16

約数和(自身を含む): 23760003456

約数和(自身を除く): 10566661246

約数列:

[1, 2, 5, 10, 1987, 3974, 9935, 19870, 663983, 1327966, 3319915, 6639830, 1319334221, 2638668442, 6596671105, 13193342210]

約数ペア:

[(1, 13193342210), (2, 6596671105), (5, 2638668442), (10, 1319334221), (1987, 6639830), (3974, 3319915), (9935, 1327966), (19870, 663983)]