19397301

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 32541696

約数和(自身を除く): 13144395

約数列:

[1, 3, 7, 11, 21, 33, 77, 131, 231, 393, 641, 917, 1441, 1923, 2751, 4323, 4487, 7051, 10087, 13461, 21153, 30261, 49357, 83971, 148071, 251913, 587797, 923681, 1763391, 2771043, 6465767, 19397301]

約数ペア:

[(1, 19397301), (3, 6465767), (7, 2771043), (11, 1763391), (21, 923681), (33, 587797), (77, 251913), (131, 148071), (231, 83971), (393, 49357), (641, 30261), (917, 21153), (1441, 13461), (1923, 10087), (2751, 7051), (4323, 4487)]