18792140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2909}}^1$

素因数の和:2954

約数の個数: 48

約数和(自身を含む): 43999200

約数和(自身を除く): 25207060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 2909, 3230, 5818, 6460, 11636, 14545, 29090, 49453, 55271, 58180, 98906, 110542, 197812, 221084, 247265, 276355, 494530, 552710, 939607, 989060, 1105420, 1879214, 3758428, 4698035, 9396070, 18792140]

約数ペア:

[(1, 18792140), (2, 9396070), (4, 4698035), (5, 3758428), (10, 1879214), (17, 1105420), (19, 989060), (20, 939607), (34, 552710), (38, 494530), (68, 276355), (76, 247265), (85, 221084), (95, 197812), (170, 110542), (190, 98906), (323, 58180), (340, 55271), (380, 49453), (646, 29090), (1292, 14545), (1615, 11636), (2909, 6460), (3230, 5818)]