18840402

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:584

約数の個数: 72

約数和(自身を含む): 48737052

約数和(自身を除く): 29896650

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 246, 287, 294, 369, 441, 521, 574, 738, 861, 882, 1042, 1563, 1722, 2009, 2583, 3126, 3647, 4018, 4689, 5166, 6027, 7294, 9378, 10941, 12054, 18081, 21361, 21882, 25529, 32823, 36162, 42722, 51058, 64083, 65646, 76587, 128166, 149527, 153174, 192249, 229761, 299054, 384498, 448581, 459522, 897162, 1046689, 1345743, 2093378, 2691486, 3140067, 6280134, 9420201, 18840402]

約数ペア:

[(1, 18840402), (2, 9420201), (3, 6280134), (6, 3140067), (7, 2691486), (9, 2093378), (14, 1345743), (18, 1046689), (21, 897162), (41, 459522), (42, 448581), (49, 384498), (63, 299054), (82, 229761), (98, 192249), (123, 153174), (126, 149527), (147, 128166), (246, 76587), (287, 65646), (294, 64083), (369, 51058), (441, 42722), (521, 36162), (574, 32823), (738, 25529), (861, 21882), (882, 21361), (1042, 18081), (1563, 12054), (1722, 10941), (2009, 9378), (2583, 7294), (3126, 6027), (3647, 5166), (4018, 4689)]