19985492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2711}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 37208640

約数和(自身を除く): 17223148

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2711, 3686, 5422, 7372, 10844, 51509, 103018, 206036, 262967, 525934, 1051868, 4996373, 9992746, 19985492]

約数ペア:

[(1, 19985492), (2, 9992746), (4, 4996373), (19, 1051868), (38, 525934), (76, 262967), (97, 206036), (194, 103018), (388, 51509), (1843, 10844), (2711, 7372), (3686, 5422)]