19736680

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8363}}^1$

素因数の和:8433

約数の個数: 32

約数和(自身を含む): 45165600

約数和(自身を除く): 25428920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 8363, 16726, 33452, 41815, 66904, 83630, 167260, 334520, 493417, 986834, 1973668, 2467085, 3947336, 4934170, 9868340, 19736680]

約数ペア:

[(1, 19736680), (2, 9868340), (4, 4934170), (5, 3947336), (8, 2467085), (10, 1973668), (20, 986834), (40, 493417), (59, 334520), (118, 167260), (236, 83630), (295, 66904), (472, 41815), (590, 33452), (1180, 16726), (2360, 8363)]