18541370

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 15750790

約数列:

[1, 2, 5, 10, 83, 89, 166, 178, 251, 415, 445, 502, 830, 890, 1255, 2510, 7387, 14774, 20833, 22339, 36935, 41666, 44678, 73870, 104165, 111695, 208330, 223390, 1854137, 3708274, 9270685, 18541370]

約数ペア:

[(1, 18541370), (2, 9270685), (5, 3708274), (10, 1854137), (83, 223390), (89, 208330), (166, 111695), (178, 104165), (251, 73870), (415, 44678), (445, 41666), (502, 36935), (830, 22339), (890, 20833), (1255, 14774), (2510, 7387)]