18733806

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11437}}^1$

素因数の和:11465

約数の個数: 48

約数和(自身を含む): 49961184

約数和(自身を除く): 31227378

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 11437, 22874, 34311, 68622, 80059, 102933, 148681, 160118, 205866, 240177, 297362, 446043, 480354, 720531, 892086, 1040767, 1338129, 1441062, 2081534, 2676258, 3122301, 6244602, 9366903, 18733806]

約数ペア:

[(1, 18733806), (2, 9366903), (3, 6244602), (6, 3122301), (7, 2676258), (9, 2081534), (13, 1441062), (14, 1338129), (18, 1040767), (21, 892086), (26, 720531), (39, 480354), (42, 446043), (63, 297362), (78, 240177), (91, 205866), (117, 160118), (126, 148681), (182, 102933), (234, 80059), (273, 68622), (546, 34311), (819, 22874), (1638, 11437)]