19936155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2113}}^1$

素因数の和:2175

約数の個数: 32

約数和(自身を含む): 34703424

約数和(自身を除く): 14767269

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 2113, 3145, 6339, 9435, 10565, 31695, 35921, 78181, 107763, 179605, 234543, 390905, 538815, 1172715, 1329077, 3987231, 6645385, 19936155]

約数ペア:

[(1, 19936155), (3, 6645385), (5, 3987231), (15, 1329077), (17, 1172715), (37, 538815), (51, 390905), (85, 234543), (111, 179605), (185, 107763), (255, 78181), (555, 35921), (629, 31695), (1887, 10565), (2113, 9435), (3145, 6339)]