19932721

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 22049280

約数和(自身を除く): 2116559

約数列:

[1, 17, 31, 109, 347, 527, 1853, 3379, 5899, 10757, 37823, 57443, 182869, 642991, 1172513, 19932721]

約数ペア:

[(1, 19932721), (17, 1172513), (31, 642991), (109, 182869), (347, 57443), (527, 37823), (1853, 10757), (3379, 5899)]