19760828

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 35518560

約数和(自身を除く): 15757732

約数列:

[1, 2, 4, 61, 109, 122, 218, 244, 436, 743, 1486, 2972, 6649, 13298, 26596, 45323, 80987, 90646, 161974, 181292, 323948, 4940207, 9880414, 19760828]

約数ペア:

[(1, 19760828), (2, 9880414), (4, 4940207), (61, 323948), (109, 181292), (122, 161974), (218, 90646), (244, 80987), (436, 45323), (743, 26596), (1486, 13298), (2972, 6649)]