18957610

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5527}}^1$

素因数の和:5555

約数の個数: 32

約数和(自身を含む): 39801600

約数和(自身を除く): 20843990

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5527, 11054, 27635, 38689, 55270, 77378, 193445, 270823, 386890, 541646, 1354115, 1895761, 2708230, 3791522, 9478805, 18957610]

約数ペア:

[(1, 18957610), (2, 9478805), (5, 3791522), (7, 2708230), (10, 1895761), (14, 1354115), (35, 541646), (49, 386890), (70, 270823), (98, 193445), (245, 77378), (343, 55270), (490, 38689), (686, 27635), (1715, 11054), (3430, 5527)]