19531655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 28062720

約数和(自身を除く): 8531065

約数列:

[1, 5, 11, 13, 55, 59, 65, 143, 295, 463, 649, 715, 767, 2315, 3245, 3835, 5093, 6019, 8437, 25465, 27317, 30095, 42185, 66209, 136585, 300487, 331045, 355121, 1502435, 1775605, 3906331, 19531655]

約数ペア:

[(1, 19531655), (5, 3906331), (11, 1775605), (13, 1502435), (55, 355121), (59, 331045), (65, 300487), (143, 136585), (295, 66209), (463, 42185), (649, 30095), (715, 27317), (767, 25465), (2315, 8437), (3245, 6019), (3835, 5093)]