19491388

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8387}}^1$

素因数の和:8481

約数の個数: 24

約数和(自身を含む): 39457152

約数和(自身を除く): 19965764

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 8387, 16774, 33548, 58709, 117418, 234836, 696121, 1392242, 2784484, 4872847, 9745694, 19491388]

約数ペア:

[(1, 19491388), (2, 9745694), (4, 4872847), (7, 2784484), (14, 1392242), (28, 696121), (83, 234836), (166, 117418), (332, 58709), (581, 33548), (1162, 16774), (2324, 8387)]