17978236

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 32341680

約数和(自身を除く): 14363444

約数列:

[1, 2, 4, 53, 106, 137, 212, 274, 548, 619, 1238, 2476, 7261, 14522, 29044, 32807, 65614, 84803, 131228, 169606, 339212, 4494559, 8989118, 17978236]

約数ペア:

[(1, 17978236), (2, 8989118), (4, 4494559), (53, 339212), (106, 169606), (137, 131228), (212, 84803), (274, 65614), (548, 32807), (619, 29044), (1238, 14522), (2476, 7261)]