20171236

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:332

約数の個数: 36

約数和(自身を含む): 38031420

約数和(自身を除く): 17860184

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 229, 244, 361, 458, 722, 916, 1159, 1444, 2318, 4351, 4636, 8702, 13969, 17404, 22021, 27938, 44042, 55876, 82669, 88084, 165338, 265411, 330676, 530822, 1061644, 5042809, 10085618, 20171236]

約数ペア:

[(1, 20171236), (2, 10085618), (4, 5042809), (19, 1061644), (38, 530822), (61, 330676), (76, 265411), (122, 165338), (229, 88084), (244, 82669), (361, 55876), (458, 44042), (722, 27938), (916, 22021), (1159, 17404), (1444, 13969), (2318, 8702), (4351, 4636)]