18378634

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4463}}^1$

素因数の和:4565

約数の個数: 16

約数和(自身を含む): 28926720

約数和(自身を除く): 10548086

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 4463, 8926, 129427, 258854, 316873, 633746, 9189317, 18378634]

約数ペア:

[(1, 18378634), (2, 9189317), (29, 633746), (58, 316873), (71, 258854), (142, 129427), (2059, 8926), (4118, 4463)]