18150996880

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1151713}}^1$

素因数の和:1151923

約数の個数: 40

約数和(自身を含む): 42415323192

約数和(自身を除く): 24264326312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 1151713, 2303426, 4606852, 5758565, 9213704, 11517130, 18427408, 23034260, 46068520, 92137040, 226887461, 453774922, 907549844, 1134437305, 1815099688, 2268874610, 3630199376, 4537749220, 9075498440, 18150996880]

約数ペア:

[(1, 18150996880), (2, 9075498440), (4, 4537749220), (5, 3630199376), (8, 2268874610), (10, 1815099688), (16, 1134437305), (20, 907549844), (40, 453774922), (80, 226887461), (197, 92137040), (394, 46068520), (788, 23034260), (985, 18427408), (1576, 11517130), (1970, 9213704), (3152, 5758565), (3940, 4606852), (7880, 2303426), (15760, 1151713)]