198804920890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{537310597}}^1$

素因数の和:537310641

約数の個数: 16

約数和(自身を含む): 367520449032

約数和(自身を除く): 168715528142

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 537310597, 1074621194, 2686552985, 5373105970, 19880492089, 39760984178, 99402460445, 198804920890]

約数ペア:

[(1, 198804920890), (2, 99402460445), (5, 39760984178), (10, 19880492089), (37, 5373105970), (74, 2686552985), (185, 1074621194), (370, 537310597)]