17981372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1201}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 33319440

約数和(自身を除く): 15338068

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 1201, 2402, 3743, 4804, 7486, 14972, 22819, 45638, 91276, 236597, 473194, 946388, 4495343, 8990686, 17981372]

約数ペア:

[(1, 17981372), (2, 8990686), (4, 4495343), (19, 946388), (38, 473194), (76, 236597), (197, 91276), (394, 45638), (788, 22819), (1201, 14972), (2402, 7486), (3743, 4804)]