19146813

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 31395840

約数和(自身を除く): 12249027

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 1021, 2679, 3063, 6251, 7147, 18753, 19399, 21441, 47987, 58197, 135793, 143961, 335909, 407379, 911753, 1007727, 2735259, 6382271, 19146813]

約数ペア:

[(1, 19146813), (3, 6382271), (7, 2735259), (19, 1007727), (21, 911753), (47, 407379), (57, 335909), (133, 143961), (141, 135793), (329, 58197), (399, 47987), (893, 21441), (987, 19399), (1021, 18753), (2679, 7147), (3063, 6251)]