19109307

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 12225093

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 1019, 2679, 3057, 6251, 7133, 18753, 19361, 21399, 47893, 58083, 135527, 143679, 335251, 406581, 909967, 1005753, 2729901, 6369769, 19109307]

約数ペア:

[(1, 19109307), (3, 6369769), (7, 2729901), (19, 1005753), (21, 909967), (47, 406581), (57, 335251), (133, 143679), (141, 135527), (329, 58083), (399, 47893), (893, 21399), (987, 19361), (1019, 18753), (2679, 7133), (3057, 6251)]