19891938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{17729}}^1$

素因数の和:17762

約数の個数: 32

約数和(自身を含む): 45956160

約数和(自身を除く): 26064222

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 374, 561, 1122, 17729, 35458, 53187, 106374, 195019, 301393, 390038, 585057, 602786, 904179, 1170114, 1808358, 3315323, 6630646, 9945969, 19891938]

約数ペア:

[(1, 19891938), (2, 9945969), (3, 6630646), (6, 3315323), (11, 1808358), (17, 1170114), (22, 904179), (33, 602786), (34, 585057), (51, 390038), (66, 301393), (102, 195019), (187, 106374), (374, 53187), (561, 35458), (1122, 17729)]