19781352

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{6701}}^1$

素因数の和:6754

約数の個数: 48

約数和(自身を含む): 54889380

約数和(自身を除く): 35108028

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 6701, 13402, 20103, 26804, 40206, 53608, 60309, 80412, 120618, 160824, 241236, 274741, 482472, 549482, 824223, 1098964, 1648446, 2197928, 2472669, 3296892, 4945338, 6593784, 9890676, 19781352]

約数ペア:

[(1, 19781352), (2, 9890676), (3, 6593784), (4, 4945338), (6, 3296892), (8, 2472669), (9, 2197928), (12, 1648446), (18, 1098964), (24, 824223), (36, 549482), (41, 482472), (72, 274741), (82, 241236), (123, 160824), (164, 120618), (246, 80412), (328, 60309), (369, 53608), (492, 40206), (738, 26804), (984, 20103), (1476, 13402), (2952, 6701)]