40338634

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 73382400

約数和(自身を除く): 33043766

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 973, 1091, 1946, 2182, 2641, 5282, 7637, 15274, 18487, 20729, 36974, 41458, 145103, 151649, 290206, 303298, 1061543, 2123086, 2881331, 5762662, 20169317, 40338634]

約数ペア:

[(1, 40338634), (2, 20169317), (7, 5762662), (14, 2881331), (19, 2123086), (38, 1061543), (133, 303298), (139, 290206), (266, 151649), (278, 145103), (973, 41458), (1091, 36974), (1946, 20729), (2182, 18487), (2641, 15274), (5282, 7637)]