19725066812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2441}}^1\times {\mathrm{4271}}^1$

素因数の和:6770

約数の個数: 48

約数和(自身を含む): 38557499904

約数和(自身を除く): 18832433092

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 2441, 4271, 4882, 8542, 9764, 17084, 26851, 46981, 53702, 93962, 104963, 107404, 183653, 187924, 209926, 367306, 419852, 734612, 1154593, 2020183, 2309186, 4040366, 4618372, 8080732, 10425511, 20851022, 41702044, 114680621, 229361242, 448296973, 458722484, 896593946, 1793187892, 4931266703, 9862533406, 19725066812]

約数ペア:

[(1, 19725066812), (2, 9862533406), (4, 4931266703), (11, 1793187892), (22, 896593946), (43, 458722484), (44, 448296973), (86, 229361242), (172, 114680621), (473, 41702044), (946, 20851022), (1892, 10425511), (2441, 8080732), (4271, 4618372), (4882, 4040366), (8542, 2309186), (9764, 2020183), (17084, 1154593), (26851, 734612), (46981, 419852), (53702, 367306), (93962, 209926), (104963, 187924), (107404, 183653)]