19778304

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 65015552

約数和(自身を除く): 45237248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 256, 273, 283, 312, 336, 364, 384, 416, 448, 546, 566, 624, 672, 728, 768, 832, 849, 896, 1092, 1132, 1248, 1344, 1456, 1664, 1698, 1792, 1981, 2184, 2264, 2496, 2688, 2912, 3328, 3396, 3679, 3962, 4368, 4528, 4992, 5376, 5824, 5943, 6792, 7358, 7924, 8736, 9056, 9984, 11037, 11648, 11886, 13584, 14716, 15848, 17472, 18112, 22074, 23296, 23772, 25753, 27168, 29432, 31696, 34944, 36224, 44148, 47544, 51506, 54336, 58864, 63392, 69888, 72448, 77259, 88296, 95088, 103012, 108672, 117728, 126784, 154518, 176592, 190176, 206024, 217344, 235456, 253568, 309036, 353184, 380352, 412048, 470912, 507136, 618072, 706368, 760704, 824096, 941824, 1236144, 1412736, 1521408, 1648192, 2472288, 2825472, 3296384, 4944576, 6592768, 9889152, 19778304]

約数ペア:

[(1, 19778304), (2, 9889152), (3, 6592768), (4, 4944576), (6, 3296384), (7, 2825472), (8, 2472288), (12, 1648192), (13, 1521408), (14, 1412736), (16, 1236144), (21, 941824), (24, 824096), (26, 760704), (28, 706368), (32, 618072), (39, 507136), (42, 470912), (48, 412048), (52, 380352), (56, 353184), (64, 309036), (78, 253568), (84, 235456), (91, 217344), (96, 206024), (104, 190176), (112, 176592), (128, 154518), (156, 126784), (168, 117728), (182, 108672), (192, 103012), (208, 95088), (224, 88296), (256, 77259), (273, 72448), (283, 69888), (312, 63392), (336, 58864), (364, 54336), (384, 51506), (416, 47544), (448, 44148), (546, 36224), (566, 34944), (624, 31696), (672, 29432), (728, 27168), (768, 25753), (832, 23772), (849, 23296), (896, 22074), (1092, 18112), (1132, 17472), (1248, 15848), (1344, 14716), (1456, 13584), (1664, 11886), (1698, 11648), (1792, 11037), (1981, 9984), (2184, 9056), (2264, 8736), (2496, 7924), (2688, 7358), (2912, 6792), (3328, 5943), (3396, 5824), (3679, 5376), (3962, 4992), (4368, 4528)]