18664788

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{9907}}^1$

素因数の和:10071

約数の個数: 24

約数和(自身を含む): 43832992

約数和(自身を除く): 25168204

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 9907, 19814, 29721, 39628, 59442, 118884, 1555399, 3110798, 4666197, 6221596, 9332394, 18664788]

約数ペア:

[(1, 18664788), (2, 9332394), (3, 6221596), (4, 4666197), (6, 3110798), (12, 1555399), (157, 118884), (314, 59442), (471, 39628), (628, 29721), (942, 19814), (1884, 9907)]