19438040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7253}}^1$

素因数の和:7331

約数の個数: 32

約数和(自身を含む): 44394480

約数和(自身を除く): 24956440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7253, 14506, 29012, 36265, 58024, 72530, 145060, 290120, 485951, 971902, 1943804, 2429755, 3887608, 4859510, 9719020, 19438040]

約数ペア:

[(1, 19438040), (2, 9719020), (4, 4859510), (5, 3887608), (8, 2429755), (10, 1943804), (20, 971902), (40, 485951), (67, 290120), (134, 145060), (268, 72530), (335, 58024), (536, 36265), (670, 29012), (1340, 14506), (2680, 7253)]