18619620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16333}}^1$

素因数の和:16364

約数の個数: 48

約数和(自身を含む): 54882240

約数和(自身を除く): 36262620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16333, 32666, 48999, 65332, 81665, 97998, 163330, 195996, 244995, 310327, 326660, 489990, 620654, 930981, 979980, 1241308, 1551635, 1861962, 3103270, 3723924, 4654905, 6206540, 9309810, 18619620]

約数ペア:

[(1, 18619620), (2, 9309810), (3, 6206540), (4, 4654905), (5, 3723924), (6, 3103270), (10, 1861962), (12, 1551635), (15, 1241308), (19, 979980), (20, 930981), (30, 620654), (38, 489990), (57, 326660), (60, 310327), (76, 244995), (95, 195996), (114, 163330), (190, 97998), (228, 81665), (285, 65332), (380, 48999), (570, 32666), (1140, 16333)]