1998116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 3749760

約数和(自身を除く): 1751644

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 431, 862, 1159, 1724, 2318, 4636, 8189, 16378, 26291, 32756, 52582, 105164, 499529, 999058, 1998116]

約数ペア:

[(1, 1998116), (2, 999058), (4, 499529), (19, 105164), (38, 52582), (61, 32756), (76, 26291), (122, 16378), (244, 8189), (431, 4636), (862, 2318), (1159, 1724)]