18774394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21481}}^1$

素因数の和:21525

約数の個数: 16

約数和(自身を含む): 30934080

約数和(自身を除く): 12159686

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21481, 42962, 408139, 494063, 816278, 988126, 9387197, 18774394]

約数ペア:

[(1, 18774394), (2, 9387197), (19, 988126), (23, 816278), (38, 494063), (46, 408139), (437, 42962), (874, 21481)]