19325019

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 11156901

約数列:

[1, 3, 7, 21, 53, 97, 159, 179, 291, 371, 537, 679, 1113, 1253, 2037, 3759, 5141, 9487, 15423, 17363, 28461, 35987, 52089, 66409, 107961, 121541, 199227, 364623, 920239, 2760717, 6441673, 19325019]

約数ペア:

[(1, 19325019), (3, 6441673), (7, 2760717), (21, 920239), (53, 364623), (97, 199227), (159, 121541), (179, 107961), (291, 66409), (371, 52089), (537, 35987), (679, 28461), (1113, 17363), (1253, 15423), (2037, 9487), (3759, 5141)]