20191682

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1973}}^1$

素因数の和:2042

約数の個数: 32

約数和(自身を含む): 37521792

約数和(自身を除く): 17330110

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 731, 1462, 1973, 3946, 5117, 10234, 13811, 27622, 33541, 67082, 84839, 169678, 234787, 469574, 593873, 1187746, 1442263, 2884526, 10095841, 20191682]

約数ペア:

[(1, 20191682), (2, 10095841), (7, 2884526), (14, 1442263), (17, 1187746), (34, 593873), (43, 469574), (86, 234787), (119, 169678), (238, 84839), (301, 67082), (602, 33541), (731, 27622), (1462, 13811), (1973, 10234), (3946, 5117)]