18838924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 38144736

約数和(自身を除く): 19305812

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 101, 202, 211, 221, 404, 422, 442, 844, 884, 1313, 1717, 2626, 2743, 3434, 3587, 5252, 5486, 6868, 7174, 10972, 14348, 21311, 22321, 42622, 44642, 46631, 85244, 89284, 93262, 186524, 277043, 362287, 554086, 724574, 1108172, 1449148, 4709731, 9419462, 18838924]

約数ペア:

[(1, 18838924), (2, 9419462), (4, 4709731), (13, 1449148), (17, 1108172), (26, 724574), (34, 554086), (52, 362287), (68, 277043), (101, 186524), (202, 93262), (211, 89284), (221, 85244), (404, 46631), (422, 44642), (442, 42622), (844, 22321), (884, 21311), (1313, 14348), (1717, 10972), (2626, 7174), (2743, 6868), (3434, 5486), (3587, 5252)]