19325264

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1583}}^1$

素因数の和:1707

約数の個数: 40

約数和(自身を含む): 43211520

約数和(自身を除く): 23886256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1583, 1744, 3052, 3166, 6104, 6332, 11081, 12208, 12664, 22162, 25328, 44324, 88648, 172547, 177296, 345094, 690188, 1207829, 1380376, 2415658, 2760752, 4831316, 9662632, 19325264]

約数ペア:

[(1, 19325264), (2, 9662632), (4, 4831316), (7, 2760752), (8, 2415658), (14, 1380376), (16, 1207829), (28, 690188), (56, 345094), (109, 177296), (112, 172547), (218, 88648), (436, 44324), (763, 25328), (872, 22162), (1526, 12664), (1583, 12208), (1744, 11081), (3052, 6332), (3166, 6104)]