19612905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4373}}^1$

素因数の和:4417

約数の個数: 32

約数和(自身を含む): 35271936

約数和(自身を除く): 15659031

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4373, 4485, 13119, 21865, 56849, 65595, 100579, 170547, 284245, 301737, 502895, 852735, 1307527, 1508685, 3922581, 6537635, 19612905]

約数ペア:

[(1, 19612905), (3, 6537635), (5, 3922581), (13, 1508685), (15, 1307527), (23, 852735), (39, 502895), (65, 301737), (69, 284245), (115, 170547), (195, 100579), (299, 65595), (345, 56849), (897, 21865), (1495, 13119), (4373, 4485)]