19499103

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 31577280

約数和(自身を除く): 12078177

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 657, 761, 949, 1971, 2283, 2847, 6849, 8541, 9893, 20547, 25623, 29679, 55553, 89037, 166659, 267111, 499977, 722189, 1499931, 2166567, 6499701, 19499103]

約数ペア:

[(1, 19499103), (3, 6499701), (9, 2166567), (13, 1499931), (27, 722189), (39, 499977), (73, 267111), (117, 166659), (219, 89037), (351, 55553), (657, 29679), (761, 25623), (949, 20547), (1971, 9893), (2283, 8541), (2847, 6849)]