19395747

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2503}}^1$

素因数の和:2560

約数の個数: 32

約数和(自身を含む): 33653760

約数和(自身を除く): 14258013

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2503, 2583, 7509, 7749, 17521, 22527, 52563, 67581, 102623, 157689, 307869, 473067, 718361, 923607, 2155083, 2770821, 6465249, 19395747]

約数ペア:

[(1, 19395747), (3, 6465249), (7, 2770821), (9, 2155083), (21, 923607), (27, 718361), (41, 473067), (63, 307869), (123, 157689), (189, 102623), (287, 67581), (369, 52563), (861, 22527), (1107, 17521), (2503, 7749), (2583, 7509)]