19127927

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 26703360

約数和(自身を除く): 7575433

約数列:

[1, 7, 13, 19, 23, 37, 91, 133, 161, 169, 247, 259, 299, 437, 481, 703, 851, 1183, 1729, 2093, 3059, 3211, 3367, 3887, 4921, 5681, 5957, 6253, 9139, 11063, 16169, 22477, 27209, 39767, 43771, 63973, 73853, 77441, 113183, 118807, 143819, 210197, 516971, 831649, 1006733, 1471379, 2732561, 19127927]

約数ペア:

[(1, 19127927), (7, 2732561), (13, 1471379), (19, 1006733), (23, 831649), (37, 516971), (91, 210197), (133, 143819), (161, 118807), (169, 113183), (247, 77441), (259, 73853), (299, 63973), (437, 43771), (481, 39767), (703, 27209), (851, 22477), (1183, 16169), (1729, 11063), (2093, 9139), (3059, 6253), (3211, 5957), (3367, 5681), (3887, 4921)]