19380884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 36083880

約数和(自身を除く): 16702996

約数列:

[1, 2, 4, 17, 34, 68, 257, 514, 1028, 1109, 2218, 4369, 4436, 8738, 17476, 18853, 37706, 75412, 285013, 570026, 1140052, 4845221, 9690442, 19380884]

約数ペア:

[(1, 19380884), (2, 9690442), (4, 4845221), (17, 1140052), (34, 570026), (68, 285013), (257, 75412), (514, 37706), (1028, 18853), (1109, 17476), (2218, 8738), (4369, 4436)]