2018700208

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{621521}}^1$

素因数の和:621565

約数の個数: 40

約数和(自身を含む): 4624123680

約数和(自身を除く): 2605423472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 621521, 1243042, 2486084, 4350647, 4972168, 8701294, 9944336, 17402588, 18024109, 34805176, 36048218, 69610352, 72096436, 126168763, 144192872, 252337526, 288385744, 504675052, 1009350104, 2018700208]

約数ペア:

[(1, 2018700208), (2, 1009350104), (4, 504675052), (7, 288385744), (8, 252337526), (14, 144192872), (16, 126168763), (28, 72096436), (29, 69610352), (56, 36048218), (58, 34805176), (112, 18024109), (116, 17402588), (203, 9944336), (232, 8701294), (406, 4972168), (464, 4350647), (812, 2486084), (1624, 1243042), (3248, 621521)]