18770988

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 45726464

約数和(自身を除く): 26955476

約数列:

[1, 2, 3, 4, 6, 12, 37, 67, 74, 111, 134, 148, 201, 222, 268, 402, 444, 631, 804, 1262, 1893, 2479, 2524, 3786, 4958, 7437, 7572, 9916, 14874, 23347, 29748, 42277, 46694, 70041, 84554, 93388, 126831, 140082, 169108, 253662, 280164, 507324, 1564249, 3128498, 4692747, 6256996, 9385494, 18770988]

約数ペア:

[(1, 18770988), (2, 9385494), (3, 6256996), (4, 4692747), (6, 3128498), (12, 1564249), (37, 507324), (67, 280164), (74, 253662), (111, 169108), (134, 140082), (148, 126831), (201, 93388), (222, 84554), (268, 70041), (402, 46694), (444, 42277), (631, 29748), (804, 23347), (1262, 14874), (1893, 9916), (2479, 7572), (2524, 7437), (3786, 4958)]