18561708

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2467}}^1$

素因数の和:2507

約数の個数: 72

約数和(自身を含む): 53901120

約数和(自身を除く): 35339412

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2467, 2508, 3762, 4934, 7401, 7524, 9868, 14802, 22203, 27137, 29604, 44406, 46873, 54274, 81411, 88812, 93746, 108548, 140619, 162822, 187492, 244233, 281238, 325644, 421857, 488466, 515603, 562476, 843714, 976932, 1031206, 1546809, 1687428, 2062412, 3093618, 4640427, 6187236, 9280854, 18561708]

約数ペア:

[(1, 18561708), (2, 9280854), (3, 6187236), (4, 4640427), (6, 3093618), (9, 2062412), (11, 1687428), (12, 1546809), (18, 1031206), (19, 976932), (22, 843714), (33, 562476), (36, 515603), (38, 488466), (44, 421857), (57, 325644), (66, 281238), (76, 244233), (99, 187492), (114, 162822), (132, 140619), (171, 108548), (198, 93746), (209, 88812), (228, 81411), (342, 54274), (396, 46873), (418, 44406), (627, 29604), (684, 27137), (836, 22203), (1254, 14802), (1881, 9868), (2467, 7524), (2508, 7401), (3762, 4934)]