18788342204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{305581}}^1$

素因数の和:306413

約数の個数: 24

約数和(自身を含む): 34652998800

約数和(自身を除く): 15864656596

約数列:

[1, 2, 4, 19, 38, 76, 809, 1618, 3236, 15371, 30742, 61484, 305581, 611162, 1222324, 5806039, 11612078, 23224156, 247215029, 494430058, 988860116, 4697085551, 9394171102, 18788342204]

約数ペア:

[(1, 18788342204), (2, 9394171102), (4, 4697085551), (19, 988860116), (38, 494430058), (76, 247215029), (809, 23224156), (1618, 11612078), (3236, 5806039), (15371, 1222324), (30742, 611162), (61484, 305581)]