19811466

素因数分解:

$2^1\times 3^4\times {\mathrm{29}}^1\times {\mathrm{4217}}^1$

素因数の和:4260

約数の個数: 40

約数和(自身を含む): 45934020

約数和(自身を除く): 26122554

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 261, 522, 783, 1566, 2349, 4217, 4698, 8434, 12651, 25302, 37953, 75906, 113859, 122293, 227718, 244586, 341577, 366879, 683154, 733758, 1100637, 2201274, 3301911, 6603822, 9905733, 19811466]

約数ペア:

[(1, 19811466), (2, 9905733), (3, 6603822), (6, 3301911), (9, 2201274), (18, 1100637), (27, 733758), (29, 683154), (54, 366879), (58, 341577), (81, 244586), (87, 227718), (162, 122293), (174, 113859), (261, 75906), (522, 37953), (783, 25302), (1566, 12651), (2349, 8434), (4217, 4698)]