18876785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4621}}^1$

素因数の和:4688

約数の個数: 16

約数和(自身を含む): 24404160

約数和(自身を除く): 5527375

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 4621, 23105, 87799, 198703, 438995, 993515, 3775357, 18876785]

約数ペア:

[(1, 18876785), (5, 3775357), (19, 993515), (43, 438995), (95, 198703), (215, 87799), (817, 23105), (4085, 4621)]