19561938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3571}}^1$

素因数の和:3670

約数の個数: 32

約数和(自身を含む): 43206912

約数和(自身を除く): 23644974

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 83, 166, 249, 498, 913, 1826, 2739, 3571, 5478, 7142, 10713, 21426, 39281, 78562, 117843, 235686, 296393, 592786, 889179, 1778358, 3260323, 6520646, 9780969, 19561938]

約数ペア:

[(1, 19561938), (2, 9780969), (3, 6520646), (6, 3260323), (11, 1778358), (22, 889179), (33, 592786), (66, 296393), (83, 235686), (166, 117843), (249, 78562), (498, 39281), (913, 21426), (1826, 10713), (2739, 7142), (3571, 5478)]