18940644

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{27691}}^1$

素因数の和:27720

約数の個数: 36

約数和(自身を含む): 50399440

約数和(自身を除く): 31458796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 27691, 55382, 83073, 110764, 166146, 249219, 332292, 498438, 526129, 996876, 1052258, 1578387, 2104516, 3156774, 4735161, 6313548, 9470322, 18940644]

約数ペア:

[(1, 18940644), (2, 9470322), (3, 6313548), (4, 4735161), (6, 3156774), (9, 2104516), (12, 1578387), (18, 1052258), (19, 996876), (36, 526129), (38, 498438), (57, 332292), (76, 249219), (114, 166146), (171, 110764), (228, 83073), (342, 55382), (684, 27691)]