19801512

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7433}}^1$

素因数の和:7482

約数の個数: 48

約数和(自身を含む): 55085940

約数和(自身を除く): 35284428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7433, 14866, 22299, 29732, 44598, 59464, 66897, 89196, 133794, 178392, 267588, 275021, 535176, 550042, 825063, 1100084, 1650126, 2200168, 2475189, 3300252, 4950378, 6600504, 9900756, 19801512]

約数ペア:

[(1, 19801512), (2, 9900756), (3, 6600504), (4, 4950378), (6, 3300252), (8, 2475189), (9, 2200168), (12, 1650126), (18, 1100084), (24, 825063), (36, 550042), (37, 535176), (72, 275021), (74, 267588), (111, 178392), (148, 133794), (222, 89196), (296, 66897), (333, 59464), (444, 44598), (666, 29732), (888, 22299), (1332, 14866), (2664, 7433)]