18068428

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{349}}^1$

素因数の和:446

約数の個数: 36

約数和(自身を含む): 37102800

約数和(自身を除く): 19034372

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 349, 602, 698, 1204, 1396, 1849, 2443, 3698, 4886, 7396, 9772, 12943, 15007, 25886, 30014, 51772, 60028, 105049, 210098, 420196, 645301, 1290602, 2581204, 4517107, 9034214, 18068428]

約数ペア:

[(1, 18068428), (2, 9034214), (4, 4517107), (7, 2581204), (14, 1290602), (28, 645301), (43, 420196), (86, 210098), (172, 105049), (301, 60028), (349, 51772), (602, 30014), (698, 25886), (1204, 15007), (1396, 12943), (1849, 9772), (2443, 7396), (3698, 4886)]