19709403

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 32317440

約数和(自身を除く): 12608037

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 1051, 2679, 3153, 6251, 7357, 18753, 19969, 22071, 49397, 59907, 139783, 148191, 345779, 419349, 938543, 1037337, 2815629, 6569801, 19709403]

約数ペア:

[(1, 19709403), (3, 6569801), (7, 2815629), (19, 1037337), (21, 938543), (47, 419349), (57, 345779), (133, 148191), (141, 139783), (329, 59907), (399, 49397), (893, 22071), (987, 19969), (1051, 18753), (2679, 7357), (3153, 6251)]