19895940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{110533}}^1$

素因数の和:110548

約数の個数: 36

約数和(自身を含む): 60351564

約数和(自身を除く): 40455624

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 110533, 221066, 331599, 442132, 552665, 663198, 994797, 1105330, 1326396, 1657995, 1989594, 2210660, 3315990, 3979188, 4973985, 6631980, 9947970, 19895940]

約数ペア:

[(1, 19895940), (2, 9947970), (3, 6631980), (4, 4973985), (5, 3979188), (6, 3315990), (9, 2210660), (10, 1989594), (12, 1657995), (15, 1326396), (18, 1105330), (20, 994797), (30, 663198), (36, 552665), (45, 442132), (60, 331599), (90, 221066), (180, 110533)]