19979493219

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18654989}}^1$

素因数の和:18655019

約数の個数: 24

約数和(自身を含む): 34922141280

約数和(自身を除く): 14942648061

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18654989, 55964967, 130584923, 167894901, 317134813, 391754769, 951404439, 1175264307, 2219943691, 2854213317, 6659831073, 19979493219]

約数ペア:

[(1, 19979493219), (3, 6659831073), (7, 2854213317), (9, 2219943691), (17, 1175264307), (21, 951404439), (51, 391754769), (63, 317134813), (119, 167894901), (153, 130584923), (357, 55964967), (1071, 18654989)]