16146380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 35199360

約数和(自身を除く): 19052980

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 193, 235, 356, 386, 445, 470, 772, 890, 940, 965, 1780, 1930, 3860, 4183, 8366, 9071, 16732, 17177, 18142, 20915, 34354, 36284, 41830, 45355, 68708, 83660, 85885, 90710, 171770, 181420, 343540, 807319, 1614638, 3229276, 4036595, 8073190, 16146380]

約数ペア:

[(1, 16146380), (2, 8073190), (4, 4036595), (5, 3229276), (10, 1614638), (20, 807319), (47, 343540), (89, 181420), (94, 171770), (178, 90710), (188, 85885), (193, 83660), (235, 68708), (356, 45355), (386, 41830), (445, 36284), (470, 34354), (772, 20915), (890, 18142), (940, 17177), (965, 16732), (1780, 9071), (1930, 8366), (3860, 4183)]