19837854

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 44478720

約数和(自身を除く): 24640866

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 131, 141, 179, 262, 282, 358, 393, 423, 537, 786, 846, 1074, 1179, 1611, 2358, 3222, 6157, 8413, 12314, 16826, 18471, 23449, 25239, 36942, 46898, 50478, 55413, 70347, 75717, 110826, 140694, 151434, 211041, 422082, 1102103, 2204206, 3306309, 6612618, 9918927, 19837854]

約数ペア:

[(1, 19837854), (2, 9918927), (3, 6612618), (6, 3306309), (9, 2204206), (18, 1102103), (47, 422082), (94, 211041), (131, 151434), (141, 140694), (179, 110826), (262, 75717), (282, 70347), (358, 55413), (393, 50478), (423, 46898), (537, 36942), (786, 25239), (846, 23449), (1074, 18471), (1179, 16826), (1611, 12314), (2358, 8413), (3222, 6157)]