18205924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 36542016

約数和(自身を除く): 18336092

約数列:

[1, 2, 4, 11, 22, 37, 44, 53, 74, 106, 148, 211, 212, 407, 422, 583, 814, 844, 1166, 1628, 1961, 2321, 2332, 3922, 4642, 7807, 7844, 9284, 11183, 15614, 21571, 22366, 31228, 43142, 44732, 85877, 86284, 123013, 171754, 246026, 343508, 413771, 492052, 827542, 1655084, 4551481, 9102962, 18205924]

約数ペア:

[(1, 18205924), (2, 9102962), (4, 4551481), (11, 1655084), (22, 827542), (37, 492052), (44, 413771), (53, 343508), (74, 246026), (106, 171754), (148, 123013), (211, 86284), (212, 85877), (407, 44732), (422, 43142), (583, 31228), (814, 22366), (844, 21571), (1166, 15614), (1628, 11183), (1961, 9284), (2321, 7844), (2332, 7807), (3922, 4642)]