18945888

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 192

約数和(自身を含む): 60963840

約数和(自身を除く): 42017952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 19, 24, 26, 32, 34, 38, 39, 47, 48, 51, 52, 57, 68, 76, 78, 94, 96, 102, 104, 114, 136, 141, 152, 156, 188, 204, 208, 221, 228, 247, 272, 282, 304, 312, 323, 376, 408, 416, 442, 456, 494, 544, 564, 608, 611, 624, 646, 663, 741, 752, 799, 816, 884, 893, 912, 969, 988, 1128, 1222, 1248, 1292, 1326, 1482, 1504, 1598, 1632, 1768, 1786, 1824, 1833, 1938, 1976, 2256, 2397, 2444, 2584, 2652, 2679, 2964, 3196, 3536, 3572, 3666, 3876, 3952, 4199, 4512, 4794, 4888, 5168, 5304, 5358, 5928, 6392, 7072, 7144, 7332, 7752, 7904, 8398, 9588, 9776, 10336, 10387, 10608, 10716, 11609, 11856, 12597, 12784, 14288, 14664, 15181, 15504, 16796, 19176, 19552, 20774, 21216, 21432, 23218, 23712, 25194, 25568, 28576, 29328, 30362, 31008, 31161, 33592, 34827, 38352, 41548, 42864, 45543, 46436, 50388, 58656, 60724, 62322, 67184, 69654, 76704, 83096, 85728, 91086, 92872, 100776, 121448, 124644, 134368, 139308, 166192, 182172, 185744, 197353, 201552, 242896, 249288, 278616, 332384, 364344, 371488, 394706, 403104, 485792, 498576, 557232, 592059, 728688, 789412, 997152, 1114464, 1184118, 1457376, 1578824, 2368236, 3157648, 4736472, 6315296, 9472944, 18945888]

約数ペア:

[(1, 18945888), (2, 9472944), (3, 6315296), (4, 4736472), (6, 3157648), (8, 2368236), (12, 1578824), (13, 1457376), (16, 1184118), (17, 1114464), (19, 997152), (24, 789412), (26, 728688), (32, 592059), (34, 557232), (38, 498576), (39, 485792), (47, 403104), (48, 394706), (51, 371488), (52, 364344), (57, 332384), (68, 278616), (76, 249288), (78, 242896), (94, 201552), (96, 197353), (102, 185744), (104, 182172), (114, 166192), (136, 139308), (141, 134368), (152, 124644), (156, 121448), (188, 100776), (204, 92872), (208, 91086), (221, 85728), (228, 83096), (247, 76704), (272, 69654), (282, 67184), (304, 62322), (312, 60724), (323, 58656), (376, 50388), (408, 46436), (416, 45543), (442, 42864), (456, 41548), (494, 38352), (544, 34827), (564, 33592), (608, 31161), (611, 31008), (624, 30362), (646, 29328), (663, 28576), (741, 25568), (752, 25194), (799, 23712), (816, 23218), (884, 21432), (893, 21216), (912, 20774), (969, 19552), (988, 19176), (1128, 16796), (1222, 15504), (1248, 15181), (1292, 14664), (1326, 14288), (1482, 12784), (1504, 12597), (1598, 11856), (1632, 11609), (1768, 10716), (1786, 10608), (1824, 10387), (1833, 10336), (1938, 9776), (1976, 9588), (2256, 8398), (2397, 7904), (2444, 7752), (2584, 7332), (2652, 7144), (2679, 7072), (2964, 6392), (3196, 5928), (3536, 5358), (3572, 5304), (3666, 5168), (3876, 4888), (3952, 4794), (4199, 4512)]