18340947

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{379}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 28059200

約数和(自身を除く): 9718253

約数列:

[1, 3, 9, 19, 57, 171, 283, 379, 849, 1137, 2547, 3411, 5377, 7201, 16131, 21603, 48393, 64809, 107257, 321771, 965313, 2037883, 6113649, 18340947]

約数ペア:

[(1, 18340947), (3, 6113649), (9, 2037883), (19, 965313), (57, 321771), (171, 107257), (283, 64809), (379, 48393), (849, 21603), (1137, 16131), (2547, 7201), (3411, 5377)]