19794190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3541}}^1$

素因数の和:3604

約数の個数: 32

約数和(自身を含む): 39273696

約数和(自身を除く): 19479506

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3541, 5590, 7082, 17705, 35410, 46033, 92066, 152263, 230165, 304526, 460330, 761315, 1522630, 1979419, 3958838, 9897095, 19794190]

約数ペア:

[(1, 19794190), (2, 9897095), (5, 3958838), (10, 1979419), (13, 1522630), (26, 761315), (43, 460330), (65, 304526), (86, 230165), (130, 152263), (215, 92066), (430, 46033), (559, 35410), (1118, 17705), (2795, 7082), (3541, 5590)]