18791580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10103}}^1$

素因数の和:10146

約数の個数: 48

約数和(自身を含む): 54319104

約数和(自身を除く): 35527524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10103, 20206, 30309, 40412, 50515, 60618, 101030, 121236, 151545, 202060, 303090, 313193, 606180, 626386, 939579, 1252772, 1565965, 1879158, 3131930, 3758316, 4697895, 6263860, 9395790, 18791580]

約数ペア:

[(1, 18791580), (2, 9395790), (3, 6263860), (4, 4697895), (5, 3758316), (6, 3131930), (10, 1879158), (12, 1565965), (15, 1252772), (20, 939579), (30, 626386), (31, 606180), (60, 313193), (62, 303090), (93, 202060), (124, 151545), (155, 121236), (186, 101030), (310, 60618), (372, 50515), (465, 40412), (620, 30309), (930, 20206), (1860, 10103)]