18958257

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3823}}^1$

素因数の和:3877

約数の個数: 24

約数和(自身を含む): 29827200

約数和(自身を除く): 10868943

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 3823, 4959, 11469, 34407, 72637, 110867, 217911, 332601, 653733, 997803, 2106473, 6319419, 18958257]

約数ペア:

[(1, 18958257), (3, 6319419), (9, 2106473), (19, 997803), (29, 653733), (57, 332601), (87, 217911), (171, 110867), (261, 72637), (551, 34407), (1653, 11469), (3823, 4959)]