19399330

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 16525790

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 307, 355, 445, 614, 710, 890, 1535, 3070, 6319, 12638, 21797, 27323, 31595, 43594, 54646, 63190, 108985, 136615, 217970, 273230, 1939933, 3879866, 9699665, 19399330]

約数ペア:

[(1, 19399330), (2, 9699665), (5, 3879866), (10, 1939933), (71, 273230), (89, 217970), (142, 136615), (178, 108985), (307, 63190), (355, 54646), (445, 43594), (614, 31595), (710, 27323), (890, 21797), (1535, 12638), (3070, 6319)]