18879192

素因数分解:

$2^3\times 3^2\times {\mathrm{263}}^1\times {\mathrm{997}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 51377040

約数和(自身を除く): 32497848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 263, 526, 789, 997, 1052, 1578, 1994, 2104, 2367, 2991, 3156, 3988, 4734, 5982, 6312, 7976, 8973, 9468, 11964, 17946, 18936, 23928, 35892, 71784, 262211, 524422, 786633, 1048844, 1573266, 2097688, 2359899, 3146532, 4719798, 6293064, 9439596, 18879192]

約数ペア:

[(1, 18879192), (2, 9439596), (3, 6293064), (4, 4719798), (6, 3146532), (8, 2359899), (9, 2097688), (12, 1573266), (18, 1048844), (24, 786633), (36, 524422), (72, 262211), (263, 71784), (526, 35892), (789, 23928), (997, 18936), (1052, 17946), (1578, 11964), (1994, 9468), (2104, 8973), (2367, 7976), (2991, 6312), (3156, 5982), (3988, 4734)]