2018432840

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{209381}}^1$

素因数の和:209633

約数の個数: 32

約数和(自身を含む): 4560339960

約数和(自身を除く): 2541907120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 209381, 418762, 837524, 1046905, 1675048, 2093810, 4187620, 8375240, 50460821, 100921642, 201843284, 252304105, 403686568, 504608210, 1009216420, 2018432840]

約数ペア:

[(1, 2018432840), (2, 1009216420), (4, 504608210), (5, 403686568), (8, 252304105), (10, 201843284), (20, 100921642), (40, 50460821), (241, 8375240), (482, 4187620), (964, 2093810), (1205, 1675048), (1928, 1046905), (2410, 837524), (4820, 418762), (9640, 209381)]