19625613

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 31856640

約数和(自身を除く): 12231027

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 487, 707, 1461, 1919, 2121, 3409, 5757, 9253, 10227, 13433, 27759, 40299, 49187, 64771, 147561, 194313, 344309, 934553, 1032927, 2803659, 6541871, 19625613]

約数ペア:

[(1, 19625613), (3, 6541871), (7, 2803659), (19, 1032927), (21, 934553), (57, 344309), (101, 194313), (133, 147561), (303, 64771), (399, 49187), (487, 40299), (707, 27759), (1461, 13433), (1919, 10227), (2121, 9253), (3409, 5757)]