17964219

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2861}}^1$

素因数の和:2907

約数の個数: 32

約数和(自身を含む): 30772224

約数和(自身を除く): 12808005

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 2861, 6279, 8583, 20027, 37193, 60081, 65803, 111579, 197409, 260351, 460621, 781053, 855439, 1381863, 2566317, 5988073, 17964219]

約数ペア:

[(1, 17964219), (3, 5988073), (7, 2566317), (13, 1381863), (21, 855439), (23, 781053), (39, 460621), (69, 260351), (91, 197409), (161, 111579), (273, 65803), (299, 60081), (483, 37193), (897, 20027), (2093, 8583), (2861, 6279)]