19384890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13187}}^1$

素因数の和:13211

約数の個数: 48

約数和(自身を含む): 54123552

約数和(自身を除く): 34738662

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13187, 26374, 39561, 65935, 79122, 92309, 131870, 184618, 197805, 276927, 395610, 461545, 553854, 646163, 923090, 1292326, 1384635, 1938489, 2769270, 3230815, 3876978, 6461630, 9692445, 19384890]

約数ペア:

[(1, 19384890), (2, 9692445), (3, 6461630), (5, 3876978), (6, 3230815), (7, 2769270), (10, 1938489), (14, 1384635), (15, 1292326), (21, 923090), (30, 646163), (35, 553854), (42, 461545), (49, 395610), (70, 276927), (98, 197805), (105, 184618), (147, 131870), (210, 92309), (245, 79122), (294, 65935), (490, 39561), (735, 26374), (1470, 13187)]