18930922

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{877}}^1$

素因数の和:1173

約数の個数: 16

約数和(自身を含む): 29205792

約数和(自身を除く): 10274870

約数列:

[1, 2, 43, 86, 251, 502, 877, 1754, 10793, 21586, 37711, 75422, 220127, 440254, 9465461, 18930922]

約数ペア:

[(1, 18930922), (2, 9465461), (43, 440254), (86, 220127), (251, 75422), (502, 37711), (877, 21586), (1754, 10793)]