19640432

素因数分解:

$2^4\times 7^1\times {\mathrm{175361}}^1$

素因数の和:175376

約数の個数: 20

約数和(自身を含む): 43489776

約数和(自身を除く): 23849344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 175361, 350722, 701444, 1227527, 1402888, 2455054, 2805776, 4910108, 9820216, 19640432]

約数ペア:

[(1, 19640432), (2, 9820216), (4, 4910108), (7, 2805776), (8, 2455054), (14, 1402888), (16, 1227527), (28, 701444), (56, 350722), (112, 175361)]