19822485

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 33472512

約数和(自身を除く): 13650027

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 907, 1457, 2721, 4371, 4535, 7285, 13605, 21855, 28117, 42629, 84351, 127887, 140585, 213145, 421755, 639435, 1321499, 3964497, 6607495, 19822485]

約数ペア:

[(1, 19822485), (3, 6607495), (5, 3964497), (15, 1321499), (31, 639435), (47, 421755), (93, 213145), (141, 140585), (155, 127887), (235, 84351), (465, 42629), (705, 28117), (907, 21855), (1457, 13605), (2721, 7285), (4371, 4535)]