18157038837

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2423}}^1\times {\mathrm{2683}}^1$

素因数の和:5142

約数の個数: 48

約数和(自身を含む): 29667432960

約数和(自身を除く): 11510394123

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2423, 2683, 2793, 7269, 8049, 16961, 18781, 46037, 50883, 50977, 56343, 118727, 131467, 138111, 152931, 322259, 356181, 356839, 394401, 966777, 1070517, 2255813, 2497873, 6500909, 6767439, 7493619, 19502727, 45506363, 123517271, 136519089, 318544541, 370551813, 864620897, 955633623, 2593862691, 6052346279, 18157038837]

約数ペア:

[(1, 18157038837), (3, 6052346279), (7, 2593862691), (19, 955633623), (21, 864620897), (49, 370551813), (57, 318544541), (133, 136519089), (147, 123517271), (399, 45506363), (931, 19502727), (2423, 7493619), (2683, 6767439), (2793, 6500909), (7269, 2497873), (8049, 2255813), (16961, 1070517), (18781, 966777), (46037, 394401), (50883, 356839), (50977, 356181), (56343, 322259), (118727, 152931), (131467, 138111)]