18608864045

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1\times {\mathrm{1511}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 22948531200

約数和(自身を除く): 4339667155

約数列:

[1, 5, 61, 149, 271, 305, 745, 1355, 1511, 7555, 9089, 16531, 40379, 45445, 82655, 92171, 201895, 225139, 409481, 460855, 1125695, 2047405, 2463119, 12315595, 13733479, 24978341, 61012669, 68667395, 124891705, 305063345, 3721772809, 18608864045]

約数ペア:

[(1, 18608864045), (5, 3721772809), (61, 305063345), (149, 124891705), (271, 68667395), (305, 61012669), (745, 24978341), (1355, 13733479), (1511, 12315595), (7555, 2463119), (9089, 2047405), (16531, 1125695), (40379, 460855), (45445, 409481), (82655, 225139), (92171, 201895)]