19906954

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{2311}}^1$

素因数の和:2445

約数の個数: 16

約数和(自身を含む): 30795840

約数和(自身を除く): 10888886

約数列:

[1, 2, 59, 73, 118, 146, 2311, 4307, 4622, 8614, 136349, 168703, 272698, 337406, 9953477, 19906954]

約数ペア:

[(1, 19906954), (2, 9953477), (59, 337406), (73, 272698), (118, 168703), (146, 136349), (2311, 8614), (4307, 4622)]