20189028505

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{3613}}^1\times {\mathrm{10253}}^1$

素因数の和:13980

約数の個数: 16

約数和(自身を含む): 24458250960

約数和(自身を除く): 4269222455

約数列:

[1, 5, 109, 545, 3613, 10253, 18065, 51265, 393817, 1117577, 1969085, 5587885, 37044089, 185220445, 4037805701, 20189028505]

約数ペア:

[(1, 20189028505), (5, 4037805701), (109, 185220445), (545, 37044089), (3613, 5587885), (10253, 1969085), (18065, 1117577), (51265, 393817)]