18075363640

素因数分解:

$2^3\times 5^1\times {\mathrm{15439}}^1\times {\mathrm{29269}}^1$

素因数の和:44719

約数の個数: 32

約数和(自身を含む): 40673592000

約数和(自身を除く): 22598228360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15439, 29269, 30878, 58538, 61756, 77195, 117076, 123512, 146345, 154390, 234152, 292690, 308780, 585380, 617560, 1170760, 451884091, 903768182, 1807536364, 2259420455, 3615072728, 4518840910, 9037681820, 18075363640]

約数ペア:

[(1, 18075363640), (2, 9037681820), (4, 4518840910), (5, 3615072728), (8, 2259420455), (10, 1807536364), (20, 903768182), (40, 451884091), (15439, 1170760), (29269, 617560), (30878, 585380), (58538, 308780), (61756, 292690), (77195, 234152), (117076, 154390), (123512, 146345)]