18734912

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 112

約数和(自身を含む): 46817280

約数和(自身を除く): 28082368

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 64, 71, 76, 112, 124, 133, 142, 152, 217, 224, 248, 266, 284, 304, 434, 448, 496, 497, 532, 568, 589, 608, 868, 992, 994, 1064, 1136, 1178, 1216, 1349, 1736, 1984, 1988, 2128, 2201, 2272, 2356, 2698, 3472, 3976, 4123, 4256, 4402, 4544, 4712, 5396, 6944, 7952, 8246, 8512, 8804, 9424, 9443, 10792, 13888, 15407, 15904, 16492, 17608, 18848, 18886, 21584, 30814, 31808, 32984, 35216, 37696, 37772, 41819, 43168, 61628, 65968, 70432, 75544, 83638, 86336, 123256, 131936, 140864, 151088, 167276, 246512, 263872, 292733, 302176, 334552, 493024, 585466, 604352, 669104, 986048, 1170932, 1338208, 2341864, 2676416, 4683728, 9367456, 18734912]

約数ペア:

[(1, 18734912), (2, 9367456), (4, 4683728), (7, 2676416), (8, 2341864), (14, 1338208), (16, 1170932), (19, 986048), (28, 669104), (31, 604352), (32, 585466), (38, 493024), (56, 334552), (62, 302176), (64, 292733), (71, 263872), (76, 246512), (112, 167276), (124, 151088), (133, 140864), (142, 131936), (152, 123256), (217, 86336), (224, 83638), (248, 75544), (266, 70432), (284, 65968), (304, 61628), (434, 43168), (448, 41819), (496, 37772), (497, 37696), (532, 35216), (568, 32984), (589, 31808), (608, 30814), (868, 21584), (992, 18886), (994, 18848), (1064, 17608), (1136, 16492), (1178, 15904), (1216, 15407), (1349, 13888), (1736, 10792), (1984, 9443), (1988, 9424), (2128, 8804), (2201, 8512), (2272, 8246), (2356, 7952), (2698, 6944), (3472, 5396), (3976, 4712), (4123, 4544), (4256, 4402)]