19920957

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1361}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 32949504

約数和(自身を除く): 13028547

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1361, 2091, 4083, 4879, 9527, 14637, 23137, 28581, 55801, 69411, 161959, 167403, 390607, 485877, 948617, 1171821, 2845851, 6640319, 19920957]

約数ペア:

[(1, 19920957), (3, 6640319), (7, 2845851), (17, 1171821), (21, 948617), (41, 485877), (51, 390607), (119, 167403), (123, 161959), (287, 69411), (357, 55801), (697, 28581), (861, 23137), (1361, 14637), (2091, 9527), (4083, 4879)]