18664428

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 45215744

約数和(自身を除く): 26551316

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 127, 148, 222, 254, 331, 381, 444, 508, 662, 762, 993, 1324, 1524, 1986, 3972, 4699, 9398, 12247, 14097, 18796, 24494, 28194, 36741, 42037, 48988, 56388, 73482, 84074, 126111, 146964, 168148, 252222, 504444, 1555369, 3110738, 4666107, 6221476, 9332214, 18664428]

約数ペア:

[(1, 18664428), (2, 9332214), (3, 6221476), (4, 4666107), (6, 3110738), (12, 1555369), (37, 504444), (74, 252222), (111, 168148), (127, 146964), (148, 126111), (222, 84074), (254, 73482), (331, 56388), (381, 48988), (444, 42037), (508, 36741), (662, 28194), (762, 24494), (993, 18796), (1324, 14097), (1524, 12247), (1986, 9398), (3972, 4699)]