18943290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{210481}}^1$

素因数の和:210494

約数の個数: 24

約数和(自身を含む): 49252788

約数和(自身を除く): 30309498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 210481, 420962, 631443, 1052405, 1262886, 1894329, 2104810, 3157215, 3788658, 6314430, 9471645, 18943290]

約数ペア:

[(1, 18943290), (2, 9471645), (3, 6314430), (5, 3788658), (6, 3157215), (9, 2104810), (10, 1894329), (15, 1262886), (18, 1052405), (30, 631443), (45, 420962), (90, 210481)]