18700605

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 42353280

約数和(自身を除く): 23652675

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 49, 55, 63, 77, 99, 105, 135, 147, 165, 189, 231, 245, 257, 297, 315, 385, 441, 495, 539, 693, 735, 771, 945, 1155, 1285, 1323, 1485, 1617, 1799, 2079, 2205, 2313, 2695, 2827, 3465, 3855, 4851, 5397, 6615, 6939, 8085, 8481, 8995, 10395, 11565, 12593, 14135, 14553, 16191, 19789, 24255, 25443, 26985, 34695, 37779, 42405, 48573, 59367, 62965, 72765, 76329, 80955, 98945, 113337, 127215, 138523, 178101, 188895, 242865, 296835, 340011, 381645, 415569, 534303, 566685, 692615, 890505, 1246707, 1700055, 2077845, 2671515, 3740121, 6233535, 18700605]

約数ペア:

[(1, 18700605), (3, 6233535), (5, 3740121), (7, 2671515), (9, 2077845), (11, 1700055), (15, 1246707), (21, 890505), (27, 692615), (33, 566685), (35, 534303), (45, 415569), (49, 381645), (55, 340011), (63, 296835), (77, 242865), (99, 188895), (105, 178101), (135, 138523), (147, 127215), (165, 113337), (189, 98945), (231, 80955), (245, 76329), (257, 72765), (297, 62965), (315, 59367), (385, 48573), (441, 42405), (495, 37779), (539, 34695), (693, 26985), (735, 25443), (771, 24255), (945, 19789), (1155, 16191), (1285, 14553), (1323, 14135), (1485, 12593), (1617, 11565), (1799, 10395), (2079, 8995), (2205, 8481), (2313, 8085), (2695, 6939), (2827, 6615), (3465, 5397), (3855, 4851)]