13197818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 21954240

約数和(自身を除く): 8756422

約数列:

[1, 2, 19, 38, 41, 43, 82, 86, 197, 394, 779, 817, 1558, 1634, 1763, 3526, 3743, 7486, 8077, 8471, 16154, 16942, 33497, 66994, 153463, 160949, 306926, 321898, 347311, 694622, 6598909, 13197818]

約数ペア:

[(1, 13197818), (2, 6598909), (19, 694622), (38, 347311), (41, 321898), (43, 306926), (82, 160949), (86, 153463), (197, 66994), (394, 33497), (779, 16942), (817, 16154), (1558, 8471), (1634, 8077), (1763, 7486), (3526, 3743)]