1811612

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 3686760

約数和(自身を除く): 1875148

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 197, 209, 242, 394, 418, 484, 788, 836, 2167, 2299, 3743, 4334, 4598, 7486, 8668, 9196, 14972, 23837, 41173, 47674, 82346, 95348, 164692, 452903, 905806, 1811612]

約数ペア:

[(1, 1811612), (2, 905806), (4, 452903), (11, 164692), (19, 95348), (22, 82346), (38, 47674), (44, 41173), (76, 23837), (121, 14972), (197, 9196), (209, 8668), (242, 7486), (394, 4598), (418, 4334), (484, 3743), (788, 2299), (836, 2167)]