18119820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{301997}}^1$

素因数の和:302009

約数の個数: 24

約数和(自身を含む): 50735664

約数和(自身を除く): 32615844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 301997, 603994, 905991, 1207988, 1509985, 1811982, 3019970, 3623964, 4529955, 6039940, 9059910, 18119820]

約数ペア:

[(1, 18119820), (2, 9059910), (3, 6039940), (4, 4529955), (5, 3623964), (6, 3019970), (10, 1811982), (12, 1509985), (15, 1207988), (20, 905991), (30, 603994), (60, 301997)]