18645884

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 33266688

約数和(自身を除く): 14620804

約数列:

[1, 2, 4, 103, 167, 206, 271, 334, 412, 542, 668, 1084, 17201, 27913, 34402, 45257, 55826, 68804, 90514, 111652, 181028, 4661471, 9322942, 18645884]

約数ペア:

[(1, 18645884), (2, 9322942), (4, 4661471), (103, 181028), (167, 111652), (206, 90514), (271, 68804), (334, 55826), (412, 45257), (542, 34402), (668, 27913), (1084, 17201)]