18676782

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 42625440

約数和(自身を除く): 23948658

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 197, 207, 229, 394, 414, 458, 591, 687, 1182, 1374, 1773, 2061, 3546, 4122, 4531, 5267, 9062, 10534, 13593, 15801, 27186, 31602, 40779, 45113, 47403, 81558, 90226, 94806, 135339, 270678, 406017, 812034, 1037599, 2075198, 3112797, 6225594, 9338391, 18676782]

約数ペア:

[(1, 18676782), (2, 9338391), (3, 6225594), (6, 3112797), (9, 2075198), (18, 1037599), (23, 812034), (46, 406017), (69, 270678), (138, 135339), (197, 94806), (207, 90226), (229, 81558), (394, 47403), (414, 45113), (458, 40779), (591, 31602), (687, 27186), (1182, 15801), (1374, 13593), (1773, 10534), (2061, 9062), (3546, 5267), (4122, 4531)]