18850770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4871}}^1$

素因数の和:4927

約数の個数: 48

約数和(自身を含む): 50162112

約数和(自身を除く): 31311342

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 4871, 9742, 14613, 24355, 29226, 43839, 48710, 73065, 87678, 146130, 209453, 219195, 418906, 438390, 628359, 1047265, 1256718, 1885077, 2094530, 3141795, 3770154, 6283590, 9425385, 18850770]

約数ペア:

[(1, 18850770), (2, 9425385), (3, 6283590), (5, 3770154), (6, 3141795), (9, 2094530), (10, 1885077), (15, 1256718), (18, 1047265), (30, 628359), (43, 438390), (45, 418906), (86, 219195), (90, 209453), (129, 146130), (215, 87678), (258, 73065), (387, 48710), (430, 43839), (645, 29226), (774, 24355), (1290, 14613), (1935, 9742), (3870, 4871)]