19727191

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 4658345

約数列:

[1, 11, 17, 31, 41, 83, 187, 341, 451, 527, 697, 913, 1271, 1411, 2573, 3403, 5797, 7667, 13981, 15521, 21607, 28303, 37433, 43741, 57851, 105493, 237677, 481151, 636361, 1160423, 1793381, 19727191]

約数ペア:

[(1, 19727191), (11, 1793381), (17, 1160423), (31, 636361), (41, 481151), (83, 237677), (187, 105493), (341, 57851), (451, 43741), (527, 37433), (697, 28303), (913, 21607), (1271, 15521), (1411, 13981), (2573, 7667), (3403, 5797)]