19131147

素因数分解:

$3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 56

約数和(自身を含む): 34416384

約数和(自身を除く): 15285237

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 163, 189, 207, 243, 483, 489, 567, 621, 729, 1141, 1449, 1467, 1701, 1863, 3423, 3749, 4347, 4401, 5103, 5589, 10269, 11247, 13041, 13203, 16767, 26243, 30807, 33741, 39123, 39609, 78729, 92421, 101223, 117369, 118827, 236187, 277263, 303669, 708561, 831789, 911007, 2125683, 2733021, 6377049, 19131147]

約数ペア:

[(1, 19131147), (3, 6377049), (7, 2733021), (9, 2125683), (21, 911007), (23, 831789), (27, 708561), (63, 303669), (69, 277263), (81, 236187), (161, 118827), (163, 117369), (189, 101223), (207, 92421), (243, 78729), (483, 39609), (489, 39123), (567, 33741), (621, 30807), (729, 26243), (1141, 16767), (1449, 13203), (1467, 13041), (1701, 11247), (1863, 10269), (3423, 5589), (3749, 5103), (4347, 4401)]