18312228

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 51026976

約数和(自身を除く): 32714748

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 131, 132, 198, 262, 353, 393, 396, 524, 706, 786, 1059, 1179, 1412, 1441, 1572, 2118, 2358, 2882, 3177, 3883, 4236, 4323, 4716, 5764, 6354, 7766, 8646, 11649, 12708, 12969, 15532, 17292, 23298, 25938, 34947, 46243, 46596, 51876, 69894, 92486, 138729, 139788, 184972, 277458, 416187, 508673, 554916, 832374, 1017346, 1526019, 1664748, 2034692, 3052038, 4578057, 6104076, 9156114, 18312228]

約数ペア:

[(1, 18312228), (2, 9156114), (3, 6104076), (4, 4578057), (6, 3052038), (9, 2034692), (11, 1664748), (12, 1526019), (18, 1017346), (22, 832374), (33, 554916), (36, 508673), (44, 416187), (66, 277458), (99, 184972), (131, 139788), (132, 138729), (198, 92486), (262, 69894), (353, 51876), (393, 46596), (396, 46243), (524, 34947), (706, 25938), (786, 23298), (1059, 17292), (1179, 15532), (1412, 12969), (1441, 12708), (1572, 11649), (2118, 8646), (2358, 7766), (2882, 6354), (3177, 5764), (3883, 4716), (4236, 4323)]