19352680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15607}}^1$

素因数の和:15649

約数の個数: 32

約数和(自身を含む): 44951040

約数和(自身を除く): 25598360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15607, 31214, 62428, 78035, 124856, 156070, 312140, 483817, 624280, 967634, 1935268, 2419085, 3870536, 4838170, 9676340, 19352680]

約数ペア:

[(1, 19352680), (2, 9676340), (4, 4838170), (5, 3870536), (8, 2419085), (10, 1935268), (20, 967634), (31, 624280), (40, 483817), (62, 312140), (124, 156070), (155, 124856), (248, 78035), (310, 62428), (620, 31214), (1240, 15607)]