19189653

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 11223147

約数列:

[1, 3, 7, 21, 43, 79, 129, 237, 269, 301, 553, 807, 903, 1659, 1883, 3397, 5649, 10191, 11567, 21251, 23779, 34701, 63753, 71337, 80969, 148757, 242907, 446271, 913793, 2741379, 6396551, 19189653]

約数ペア:

[(1, 19189653), (3, 6396551), (7, 2741379), (21, 913793), (43, 446271), (79, 242907), (129, 148757), (237, 80969), (269, 71337), (301, 63753), (553, 34701), (807, 23779), (903, 21251), (1659, 11567), (1883, 10191), (3397, 5649)]