18782426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5273}}^1$

素因数の和:5425

約数の個数: 16

約数和(自身を含む): 30568104

約数和(自身を除く): 11785678

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5273, 10546, 68549, 137098, 722401, 1444802, 9391213, 18782426]

約数ペア:

[(1, 18782426), (2, 9391213), (13, 1444802), (26, 722401), (137, 137098), (274, 68549), (1781, 10546), (3562, 5273)]