19789065

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2801}}^1$

素因数の和:2969

約数の個数: 24

約数和(自身を含む): 34531848

約数和(自身を除く): 14742783

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 2801, 7065, 8403, 14005, 25209, 42015, 126045, 439757, 1319271, 2198785, 3957813, 6596355, 19789065]

約数ペア:

[(1, 19789065), (3, 6596355), (5, 3957813), (9, 2198785), (15, 1319271), (45, 439757), (157, 126045), (471, 42015), (785, 25209), (1413, 14005), (2355, 8403), (2801, 7065)]