18444326

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 30280800

約数和(自身を除く): 11836474

約数列:

[1, 2, 19, 38, 61, 73, 109, 122, 146, 218, 1159, 1387, 2071, 2318, 2774, 4142, 4453, 6649, 7957, 8906, 13298, 15914, 84607, 126331, 151183, 169214, 252662, 302366, 485377, 970754, 9222163, 18444326]

約数ペア:

[(1, 18444326), (2, 9222163), (19, 970754), (38, 485377), (61, 302366), (73, 252662), (109, 169214), (122, 151183), (146, 126331), (218, 84607), (1159, 15914), (1387, 13298), (2071, 8906), (2318, 7957), (2774, 6649), (4142, 4453)]