19747268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1949}}^1$

素因数の和:2119

約数の個数: 24

約数和(自身を含む): 36855000

約数和(自身を除く): 17107732

約数列:

[1, 2, 4, 17, 34, 68, 149, 298, 596, 1949, 2533, 3898, 5066, 7796, 10132, 33133, 66266, 132532, 290401, 580802, 1161604, 4936817, 9873634, 19747268]

約数ペア:

[(1, 19747268), (2, 9873634), (4, 4936817), (17, 1161604), (34, 580802), (68, 290401), (149, 132532), (298, 66266), (596, 33133), (1949, 10132), (2533, 7796), (3898, 5066)]