19992728

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9649}}^1$

素因数の和:9699

約数の個数: 32

約数和(自身を含む): 44004000

約数和(自身を除く): 24011272

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9649, 19298, 38596, 67543, 77192, 135086, 270172, 357013, 540344, 714026, 1428052, 2499091, 2856104, 4998182, 9996364, 19992728]

約数ペア:

[(1, 19992728), (2, 9996364), (4, 4998182), (7, 2856104), (8, 2499091), (14, 1428052), (28, 714026), (37, 540344), (56, 357013), (74, 270172), (148, 135086), (259, 77192), (296, 67543), (518, 38596), (1036, 19298), (2072, 9649)]