18713458

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{977}}^1$

素因数の和:1197

約数の個数: 16

約数和(自身を含む): 28741464

約数和(自身を除く): 10028006

約数列:

[1, 2, 61, 122, 157, 314, 977, 1954, 9577, 19154, 59597, 119194, 153389, 306778, 9356729, 18713458]

約数ペア:

[(1, 18713458), (2, 9356729), (61, 306778), (122, 153389), (157, 119194), (314, 59597), (977, 19154), (1954, 9577)]