19938852

素因数分解:

$2^2\times 3^3\times {\mathrm{353}}^1\times {\mathrm{523}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 51938880

約数和(自身を除く): 32000028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 353, 523, 706, 1046, 1059, 1412, 1569, 2092, 2118, 3138, 3177, 4236, 4707, 6276, 6354, 9414, 9531, 12708, 14121, 18828, 19062, 28242, 38124, 56484, 184619, 369238, 553857, 738476, 1107714, 1661571, 2215428, 3323142, 4984713, 6646284, 9969426, 19938852]

約数ペア:

[(1, 19938852), (2, 9969426), (3, 6646284), (4, 4984713), (6, 3323142), (9, 2215428), (12, 1661571), (18, 1107714), (27, 738476), (36, 553857), (54, 369238), (108, 184619), (353, 56484), (523, 38124), (706, 28242), (1046, 19062), (1059, 18828), (1412, 14121), (1569, 12708), (2092, 9531), (2118, 9414), (3138, 6354), (3177, 6276), (4236, 4707)]