19666178

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4349}}^1$

素因数の和:4394

約数の個数: 32

約数和(自身を含む): 37584000

約数和(自身を除く): 17917822

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4349, 4522, 8698, 30443, 60886, 73933, 82631, 147866, 165262, 517531, 578417, 1035062, 1156834, 1404727, 2809454, 9833089, 19666178]

約数ペア:

[(1, 19666178), (2, 9833089), (7, 2809454), (14, 1404727), (17, 1156834), (19, 1035062), (34, 578417), (38, 517531), (119, 165262), (133, 147866), (238, 82631), (266, 73933), (323, 60886), (646, 30443), (2261, 8698), (4349, 4522)]