19865664

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:417

約数の個数: 168

約数和(自身を含む): 70266560

約数和(自身を除く): 50400896

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 64, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 192, 208, 224, 234, 252, 273, 288, 312, 336, 364, 379, 416, 448, 468, 504, 546, 576, 624, 672, 728, 758, 819, 832, 936, 1008, 1092, 1137, 1248, 1344, 1456, 1516, 1638, 1872, 2016, 2184, 2274, 2496, 2653, 2912, 3032, 3276, 3411, 3744, 4032, 4368, 4548, 4927, 5306, 5824, 6064, 6552, 6822, 7488, 7959, 8736, 9096, 9854, 10612, 12128, 13104, 13644, 14781, 15918, 17472, 18192, 19708, 21224, 23877, 24256, 26208, 27288, 29562, 31836, 34489, 36384, 39416, 42448, 44343, 47754, 52416, 54576, 59124, 63672, 68978, 72768, 78832, 84896, 88686, 95508, 103467, 109152, 118248, 127344, 137956, 157664, 169792, 177372, 191016, 206934, 218304, 236496, 254688, 275912, 310401, 315328, 354744, 382032, 413868, 472992, 509376, 551824, 620802, 709488, 764064, 827736, 945984, 1103648, 1241604, 1418976, 1528128, 1655472, 2207296, 2483208, 2837952, 3310944, 4966416, 6621888, 9932832, 19865664]

約数ペア:

[(1, 19865664), (2, 9932832), (3, 6621888), (4, 4966416), (6, 3310944), (7, 2837952), (8, 2483208), (9, 2207296), (12, 1655472), (13, 1528128), (14, 1418976), (16, 1241604), (18, 1103648), (21, 945984), (24, 827736), (26, 764064), (28, 709488), (32, 620802), (36, 551824), (39, 509376), (42, 472992), (48, 413868), (52, 382032), (56, 354744), (63, 315328), (64, 310401), (72, 275912), (78, 254688), (84, 236496), (91, 218304), (96, 206934), (104, 191016), (112, 177372), (117, 169792), (126, 157664), (144, 137956), (156, 127344), (168, 118248), (182, 109152), (192, 103467), (208, 95508), (224, 88686), (234, 84896), (252, 78832), (273, 72768), (288, 68978), (312, 63672), (336, 59124), (364, 54576), (379, 52416), (416, 47754), (448, 44343), (468, 42448), (504, 39416), (546, 36384), (576, 34489), (624, 31836), (672, 29562), (728, 27288), (758, 26208), (819, 24256), (832, 23877), (936, 21224), (1008, 19708), (1092, 18192), (1137, 17472), (1248, 15918), (1344, 14781), (1456, 13644), (1516, 13104), (1638, 12128), (1872, 10612), (2016, 9854), (2184, 9096), (2274, 8736), (2496, 7959), (2653, 7488), (2912, 6822), (3032, 6552), (3276, 6064), (3411, 5824), (3744, 5306), (4032, 4927), (4368, 4548)]