19970648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146843}}^1$

素因数の和:146866

約数の個数: 16

約数和(自身を含む): 39647880

約数和(自身を除く): 19677232

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146843, 293686, 587372, 1174744, 2496331, 4992662, 9985324, 19970648]

約数ペア:

[(1, 19970648), (2, 9985324), (4, 4992662), (8, 2496331), (17, 1174744), (34, 587372), (68, 293686), (136, 146843)]