20181737901

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{218993}}^1$

素因数の和:219165

約数の個数: 32

約数和(自身を含む): 30904433280

約数和(自身を除く): 10722695379

約数列:

[1, 3, 13, 17, 39, 51, 139, 221, 417, 663, 1807, 2363, 5421, 7089, 30719, 92157, 218993, 656979, 2846909, 3722881, 8540727, 11168643, 30440027, 48397453, 91320081, 145192359, 395720351, 517480459, 1187161053, 1552441377, 6727245967, 20181737901]

約数ペア:

[(1, 20181737901), (3, 6727245967), (13, 1552441377), (17, 1187161053), (39, 517480459), (51, 395720351), (139, 145192359), (221, 91320081), (417, 48397453), (663, 30440027), (1807, 11168643), (2363, 8540727), (5421, 3722881), (7089, 2846909), (30719, 656979), (92157, 218993)]