18705528

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4259}}^1$

素因数の和:4332

約数の個数: 48

約数和(自身を含む): 51503400

約数和(自身を除く): 32797872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4259, 4392, 8518, 12777, 17036, 25554, 34072, 38331, 51108, 76662, 102216, 153324, 259799, 306648, 519598, 779397, 1039196, 1558794, 2078392, 2338191, 3117588, 4676382, 6235176, 9352764, 18705528]

約数ペア:

[(1, 18705528), (2, 9352764), (3, 6235176), (4, 4676382), (6, 3117588), (8, 2338191), (9, 2078392), (12, 1558794), (18, 1039196), (24, 779397), (36, 519598), (61, 306648), (72, 259799), (122, 153324), (183, 102216), (244, 76662), (366, 51108), (488, 38331), (549, 34072), (732, 25554), (1098, 17036), (1464, 12777), (2196, 8518), (4259, 4392)]