19540759

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 24259200

約数和(自身を除く): 4718441

約数列:

[1, 7, 19, 49, 133, 139, 151, 931, 973, 1057, 2641, 2869, 6811, 7399, 18487, 20083, 20989, 129409, 140581, 146923, 398791, 1028461, 2791537, 19540759]

約数ペア:

[(1, 19540759), (7, 2791537), (19, 1028461), (49, 398791), (133, 146923), (139, 140581), (151, 129409), (931, 20989), (973, 20083), (1057, 18487), (2641, 7399), (2869, 6811)]