20186478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 47423376

約数和(自身を除く): 27236898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 281, 307, 562, 614, 843, 921, 1686, 1842, 2529, 2763, 3653, 3991, 5058, 5526, 7306, 7982, 10959, 11973, 21918, 23946, 32877, 35919, 65754, 71838, 86267, 172534, 258801, 517602, 776403, 1121471, 1552806, 2242942, 3364413, 6728826, 10093239, 20186478]

約数ペア:

[(1, 20186478), (2, 10093239), (3, 6728826), (6, 3364413), (9, 2242942), (13, 1552806), (18, 1121471), (26, 776403), (39, 517602), (78, 258801), (117, 172534), (234, 86267), (281, 71838), (307, 65754), (562, 35919), (614, 32877), (843, 23946), (921, 21918), (1686, 11973), (1842, 10959), (2529, 7982), (2763, 7306), (3653, 5526), (3991, 5058)]