19623736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1289}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 40402800

約数和(自身を除く): 20779064

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 173, 346, 692, 1289, 1384, 1903, 2578, 3806, 5156, 7612, 10312, 14179, 15224, 28358, 56716, 113432, 222997, 445994, 891988, 1783976, 2452967, 4905934, 9811868, 19623736]

約数ペア:

[(1, 19623736), (2, 9811868), (4, 4905934), (8, 2452967), (11, 1783976), (22, 891988), (44, 445994), (88, 222997), (173, 113432), (346, 56716), (692, 28358), (1289, 15224), (1384, 14179), (1903, 10312), (2578, 7612), (3806, 5156)]