18447518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21107}}^1$

素因数の和:21151

約数の個数: 16

約数和(自身を含む): 30395520

約数和(自身を除く): 11948002

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21107, 42214, 401033, 485461, 802066, 970922, 9223759, 18447518]

約数ペア:

[(1, 18447518), (2, 9223759), (19, 970922), (23, 802066), (38, 485461), (46, 401033), (437, 42214), (874, 21107)]