19653880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16943}}^1$

素因数の和:16983

約数の個数: 32

約数和(自身を含む): 45748800

約数和(自身を除く): 26094920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 16943, 33886, 67772, 84715, 135544, 169430, 338860, 491347, 677720, 982694, 1965388, 2456735, 3930776, 4913470, 9826940, 19653880]

約数ペア:

[(1, 19653880), (2, 9826940), (4, 4913470), (5, 3930776), (8, 2456735), (10, 1965388), (20, 982694), (29, 677720), (40, 491347), (58, 338860), (116, 169430), (145, 135544), (232, 84715), (290, 67772), (580, 33886), (1160, 16943)]