18729288

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{13691}}^1$

素因数の和:13722

約数の個数: 48

約数和(自身を含む): 53398800

約数和(自身を除く): 34669512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 13691, 27382, 41073, 54764, 82146, 109528, 123219, 164292, 246438, 260129, 328584, 492876, 520258, 780387, 985752, 1040516, 1560774, 2081032, 2341161, 3121548, 4682322, 6243096, 9364644, 18729288]

約数ペア:

[(1, 18729288), (2, 9364644), (3, 6243096), (4, 4682322), (6, 3121548), (8, 2341161), (9, 2081032), (12, 1560774), (18, 1040516), (19, 985752), (24, 780387), (36, 520258), (38, 492876), (57, 328584), (72, 260129), (76, 246438), (114, 164292), (152, 123219), (171, 109528), (228, 82146), (342, 54764), (456, 41073), (684, 27382), (1368, 13691)]