13487815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12907}}^1$

素因数の和:12942

約数の個数: 16

約数和(自身を含む): 18587520

約数和(自身を除く): 5099705

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 12907, 64535, 141977, 245233, 709885, 1226165, 2697563, 13487815]

約数ペア:

[(1, 13487815), (5, 2697563), (11, 1226165), (19, 709885), (55, 245233), (95, 141977), (209, 64535), (1045, 12907)]