18985884

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 46309536

約数和(自身を除く): 27323652

約数列:

[1, 2, 3, 4, 6, 12, 37, 61, 74, 111, 122, 148, 183, 222, 244, 366, 444, 701, 732, 1402, 2103, 2257, 2804, 4206, 4514, 6771, 8412, 9028, 13542, 25937, 27084, 42761, 51874, 77811, 85522, 103748, 128283, 155622, 171044, 256566, 311244, 513132, 1582157, 3164314, 4746471, 6328628, 9492942, 18985884]

約数ペア:

[(1, 18985884), (2, 9492942), (3, 6328628), (4, 4746471), (6, 3164314), (12, 1582157), (37, 513132), (61, 311244), (74, 256566), (111, 171044), (122, 155622), (148, 128283), (183, 103748), (222, 85522), (244, 77811), (366, 51874), (444, 42761), (701, 27084), (732, 25937), (1402, 13542), (2103, 9028), (2257, 8412), (2804, 6771), (4206, 4514)]