17999954

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 33168000

約数和(自身を除く): 15168046

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 343, 686, 931, 1381, 1862, 2762, 6517, 9667, 13034, 19334, 26239, 52478, 67669, 135338, 183673, 367346, 473683, 947366, 1285711, 2571422, 8999977, 17999954]

約数ペア:

[(1, 17999954), (2, 8999977), (7, 2571422), (14, 1285711), (19, 947366), (38, 473683), (49, 367346), (98, 183673), (133, 135338), (266, 67669), (343, 52478), (686, 26239), (931, 19334), (1381, 13034), (1862, 9667), (2762, 6517)]