18390897968

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{907}}^1\times {\mathrm{2749}}^1$

素因数の和:4125

約数の個数: 40

約数和(自身を含む): 35762034000

約数和(自身を除く): 17371136032

約数列:

[1, 2, 4, 8, 16, 461, 907, 922, 1814, 1844, 2749, 3628, 3688, 5498, 7256, 7376, 10996, 14512, 21992, 43984, 418127, 836254, 1267289, 1672508, 2493343, 2534578, 3345016, 4986686, 5069156, 6690032, 9973372, 10138312, 19946744, 20276624, 39893488, 1149431123, 2298862246, 4597724492, 9195448984, 18390897968]

約数ペア:

[(1, 18390897968), (2, 9195448984), (4, 4597724492), (8, 2298862246), (16, 1149431123), (461, 39893488), (907, 20276624), (922, 19946744), (1814, 10138312), (1844, 9973372), (2749, 6690032), (3628, 5069156), (3688, 4986686), (5498, 3345016), (7256, 2534578), (7376, 2493343), (10996, 1672508), (14512, 1267289), (21992, 836254), (43984, 418127)]