19180390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{937}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 36469440

約数和(自身を除く): 17289050

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 937, 1874, 2047, 4094, 4685, 9370, 10235, 20470, 21551, 43102, 83393, 107755, 166786, 215510, 416965, 833930, 1918039, 3836078, 9590195, 19180390]

約数ペア:

[(1, 19180390), (2, 9590195), (5, 3836078), (10, 1918039), (23, 833930), (46, 416965), (89, 215510), (115, 166786), (178, 107755), (230, 83393), (445, 43102), (890, 21551), (937, 20470), (1874, 10235), (2047, 9370), (4094, 4685)]