19438508733

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1\times {\mathrm{19991}}^1$

素因数の和:22457

約数の個数: 32

約数和(自身を含む): 31193917440

約数和(自身を除く): 11755408707

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2437, 7311, 17059, 19991, 46303, 51177, 59973, 138909, 139937, 324121, 379829, 419811, 972363, 1139487, 2658803, 7976409, 48718067, 146154201, 341026469, 925643273, 1023079407, 2776929819, 6479502911, 19438508733]

約数ペア:

[(1, 19438508733), (3, 6479502911), (7, 2776929819), (19, 1023079407), (21, 925643273), (57, 341026469), (133, 146154201), (399, 48718067), (2437, 7976409), (7311, 2658803), (17059, 1139487), (19991, 972363), (46303, 419811), (51177, 379829), (59973, 324121), (138909, 139937)]