2019921778

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{42101}}^1$

素因数の和:42282

約数の個数: 32

約数和(自身を含む): 3637612800

約数和(自身を除く): 1617691022

約数列:

[1, 2, 7, 14, 23, 46, 149, 161, 298, 322, 1043, 2086, 3427, 6854, 23989, 42101, 47978, 84202, 294707, 589414, 968323, 1936646, 6273049, 6778261, 12546098, 13556522, 43911343, 87822686, 144280127, 288560254, 1009960889, 2019921778]

約数ペア:

[(1, 2019921778), (2, 1009960889), (7, 288560254), (14, 144280127), (23, 87822686), (46, 43911343), (149, 13556522), (161, 12546098), (298, 6778261), (322, 6273049), (1043, 1936646), (2086, 968323), (3427, 589414), (6854, 294707), (23989, 84202), (42101, 47978)]