19796415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2677}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 34706880

約数和(自身を除く): 14910465

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 2677, 7395, 8031, 13385, 40155, 45509, 77633, 136527, 227545, 232899, 388165, 682635, 1164495, 1319761, 3959283, 6598805, 19796415]

約数ペア:

[(1, 19796415), (3, 6598805), (5, 3959283), (15, 1319761), (17, 1164495), (29, 682635), (51, 388165), (85, 232899), (87, 227545), (145, 136527), (255, 77633), (435, 45509), (493, 40155), (1479, 13385), (2465, 8031), (2677, 7395)]