19774728

素因数分解:

$2^3\times 3^2\times {\mathrm{269}}^1\times {\mathrm{1021}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 53808300

約数和(自身を除く): 34033572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 269, 538, 807, 1021, 1076, 1614, 2042, 2152, 2421, 3063, 3228, 4084, 4842, 6126, 6456, 8168, 9189, 9684, 12252, 18378, 19368, 24504, 36756, 73512, 274649, 549298, 823947, 1098596, 1647894, 2197192, 2471841, 3295788, 4943682, 6591576, 9887364, 19774728]

約数ペア:

[(1, 19774728), (2, 9887364), (3, 6591576), (4, 4943682), (6, 3295788), (8, 2471841), (9, 2197192), (12, 1647894), (18, 1098596), (24, 823947), (36, 549298), (72, 274649), (269, 73512), (538, 36756), (807, 24504), (1021, 19368), (1076, 18378), (1614, 12252), (2042, 9684), (2152, 9189), (2421, 8168), (3063, 6456), (3228, 6126), (4084, 4842)]