19784770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{116381}}^1$

素因数の和:116405

約数の個数: 16

約数和(自身を含む): 37707768

約数和(自身を除く): 17922998

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 116381, 232762, 581905, 1163810, 1978477, 3956954, 9892385, 19784770]

約数ペア:

[(1, 19784770), (2, 9892385), (5, 3956954), (10, 1978477), (17, 1163810), (34, 581905), (85, 232762), (170, 116381)]