19828425

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4481}}^1$

素因数の和:4553

約数の個数: 24

約数和(自身を含む): 33346080

約数和(自身を除く): 13517655

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 4481, 13443, 22405, 67215, 112025, 264379, 336075, 793137, 1321895, 3965685, 6609475, 19828425]

約数ペア:

[(1, 19828425), (3, 6609475), (5, 3965685), (15, 1321895), (25, 793137), (59, 336075), (75, 264379), (177, 112025), (295, 67215), (885, 22405), (1475, 13443), (4425, 4481)]