19438484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2381}}^1$

素因数の和:2555

約数の個数: 24

約数和(自身を含む): 36882888

約数和(自身を除く): 17444404

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 2381, 4082, 4762, 8164, 9524, 30953, 61906, 123812, 373817, 747634, 1495268, 4859621, 9719242, 19438484]

約数ペア:

[(1, 19438484), (2, 9719242), (4, 4859621), (13, 1495268), (26, 747634), (52, 373817), (157, 123812), (314, 61906), (628, 30953), (2041, 9524), (2381, 8164), (4082, 4762)]