18994844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{997}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 36383088

約数和(自身を除く): 17388244

約数列:

[1, 2, 4, 11, 22, 44, 433, 866, 997, 1732, 1994, 3988, 4763, 9526, 10967, 19052, 21934, 43868, 431701, 863402, 1726804, 4748711, 9497422, 18994844]

約数ペア:

[(1, 18994844), (2, 9497422), (4, 4748711), (11, 1726804), (22, 863402), (44, 431701), (433, 43868), (866, 21934), (997, 19052), (1732, 10967), (1994, 9526), (3988, 4763)]