19828035

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25919}}^1$

素因数の和:25947

約数の個数: 24

約数和(自身を含む): 36391680

約数和(自身を除く): 16563645

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 25919, 77757, 129595, 233271, 388785, 440623, 1166355, 1321869, 2203115, 3965607, 6609345, 19828035]

約数ペア:

[(1, 19828035), (3, 6609345), (5, 3965607), (9, 2203115), (15, 1321869), (17, 1166355), (45, 440623), (51, 388785), (85, 233271), (153, 129595), (255, 77757), (765, 25919)]