18921542

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{1993}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 29287872

約数和(自身を除く): 10366330

約数列:

[1, 2, 47, 94, 101, 202, 1993, 3986, 4747, 9494, 93671, 187342, 201293, 402586, 9460771, 18921542]

約数ペア:

[(1, 18921542), (2, 9460771), (47, 402586), (94, 201293), (101, 187342), (202, 93671), (1993, 9494), (3986, 4747)]