20180123098

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{1009}}^1\times {\mathrm{27701}}^1$

素因数の和:28750

約数の個数: 24

約数和(自身を含む): 31980019860

約数和(自身を除く): 11799896762

約数列:

[1, 2, 19, 38, 361, 722, 1009, 2018, 19171, 27701, 38342, 55402, 364249, 526319, 728498, 1052638, 10000061, 20000122, 27950309, 55900618, 531055871, 1062111742, 10090061549, 20180123098]

約数ペア:

[(1, 20180123098), (2, 10090061549), (19, 1062111742), (38, 531055871), (361, 55900618), (722, 27950309), (1009, 20000122), (2018, 10000061), (19171, 1052638), (27701, 728498), (38342, 526319), (55402, 364249)]