18493900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2341}}^1$

素因数の和:2434

約数の個数: 36

約数和(自身を含む): 40657120

約数和(自身を除く): 22163220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2341, 3950, 4682, 7900, 9364, 11705, 23410, 46820, 58525, 117050, 184939, 234100, 369878, 739756, 924695, 1849390, 3698780, 4623475, 9246950, 18493900]

約数ペア:

[(1, 18493900), (2, 9246950), (4, 4623475), (5, 3698780), (10, 1849390), (20, 924695), (25, 739756), (50, 369878), (79, 234100), (100, 184939), (158, 117050), (316, 58525), (395, 46820), (790, 23410), (1580, 11705), (1975, 9364), (2341, 7900), (3950, 4682)]