18995548

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3019}}^1$

素因数の和:3058

約数の個数: 36

約数和(自身を含む): 39362680

約数和(自身を除く): 20367132

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3019, 3146, 6038, 6292, 12076, 33209, 39247, 66418, 78494, 132836, 156988, 365299, 431717, 730598, 863434, 1461196, 1726868, 4748887, 9497774, 18995548]

約数ペア:

[(1, 18995548), (2, 9497774), (4, 4748887), (11, 1726868), (13, 1461196), (22, 863434), (26, 730598), (44, 431717), (52, 365299), (121, 156988), (143, 132836), (242, 78494), (286, 66418), (484, 39247), (572, 33209), (1573, 12076), (3019, 6292), (3146, 6038)]