19521640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16829}}^1$

素因数の和:16869

約数の個数: 32

約数和(自身を含む): 45441000

約数和(自身を除く): 25919360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16829, 33658, 67316, 84145, 134632, 168290, 336580, 488041, 673160, 976082, 1952164, 2440205, 3904328, 4880410, 9760820, 19521640]

約数ペア:

[(1, 19521640), (2, 9760820), (4, 4880410), (5, 3904328), (8, 2440205), (10, 1952164), (20, 976082), (29, 673160), (40, 488041), (58, 336580), (116, 168290), (145, 134632), (232, 84145), (290, 67316), (580, 33658), (1160, 16829)]