19660290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50411}}^1$

素因数の和:50434

約数の個数: 32

約数和(自身を含む): 50815296

約数和(自身を除く): 31155006

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 50411, 100822, 151233, 252055, 302466, 504110, 655343, 756165, 1310686, 1512330, 1966029, 3276715, 3932058, 6553430, 9830145, 19660290]

約数ペア:

[(1, 19660290), (2, 9830145), (3, 6553430), (5, 3932058), (6, 3276715), (10, 1966029), (13, 1512330), (15, 1310686), (26, 756165), (30, 655343), (39, 504110), (65, 302466), (78, 252055), (130, 151233), (195, 100822), (390, 50411)]