17971967

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 21301200

約数和(自身を除く): 3329233

約数列:

[1, 13, 19, 29, 169, 193, 247, 377, 551, 2509, 3211, 3667, 4901, 5597, 7163, 32617, 47671, 72761, 93119, 106343, 619723, 945893, 1382459, 17971967]

約数ペア:

[(1, 17971967), (13, 1382459), (19, 945893), (29, 619723), (169, 106343), (193, 93119), (247, 72761), (377, 47671), (551, 32617), (2509, 7163), (3211, 5597), (3667, 4901)]