18721324

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 33384960

約数和(自身を除く): 14663636

約数列:

[1, 2, 4, 127, 137, 254, 269, 274, 508, 538, 548, 1076, 17399, 34163, 34798, 36853, 68326, 69596, 73706, 136652, 147412, 4680331, 9360662, 18721324]

約数ペア:

[(1, 18721324), (2, 9360662), (4, 4680331), (127, 147412), (137, 136652), (254, 73706), (269, 69596), (274, 68326), (508, 36853), (538, 34798), (548, 34163), (1076, 17399)]