19159023

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 30357504

約数和(自身を除く): 11198481

約数列:

[1, 3, 13, 23, 31, 39, 53, 69, 93, 159, 169, 299, 403, 507, 689, 713, 897, 1209, 1219, 1643, 2067, 2139, 3657, 3887, 4929, 5239, 8957, 9269, 11661, 15717, 15847, 21359, 26871, 27807, 37789, 47541, 64077, 113367, 120497, 206011, 277667, 361491, 491257, 618033, 833001, 1473771, 6386341, 19159023]

約数ペア:

[(1, 19159023), (3, 6386341), (13, 1473771), (23, 833001), (31, 618033), (39, 491257), (53, 361491), (69, 277667), (93, 206011), (159, 120497), (169, 113367), (299, 64077), (403, 47541), (507, 37789), (689, 27807), (713, 26871), (897, 21359), (1209, 15847), (1219, 15717), (1643, 11661), (2067, 9269), (2139, 8957), (3657, 5239), (3887, 4929)]