19984608

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:477

約数の個数: 144

約数和(自身を含む): 67931136

約数和(自身を除く): 47946528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 96, 112, 126, 138, 144, 161, 168, 184, 207, 224, 252, 276, 288, 322, 336, 368, 414, 431, 483, 504, 552, 644, 672, 736, 828, 862, 966, 1008, 1104, 1288, 1293, 1449, 1656, 1724, 1932, 2016, 2208, 2576, 2586, 2898, 3017, 3312, 3448, 3864, 3879, 5152, 5172, 5796, 6034, 6624, 6896, 7728, 7758, 9051, 9913, 10344, 11592, 12068, 13792, 15456, 15516, 18102, 19826, 20688, 23184, 24136, 27153, 29739, 31032, 36204, 39652, 41376, 46368, 48272, 54306, 59478, 62064, 69391, 72408, 79304, 89217, 96544, 108612, 118956, 124128, 138782, 144816, 158608, 178434, 208173, 217224, 237912, 277564, 289632, 317216, 356868, 416346, 434448, 475824, 555128, 624519, 713736, 832692, 868896, 951648, 1110256, 1249038, 1427472, 1665384, 2220512, 2498076, 2854944, 3330768, 4996152, 6661536, 9992304, 19984608]

約数ペア:

[(1, 19984608), (2, 9992304), (3, 6661536), (4, 4996152), (6, 3330768), (7, 2854944), (8, 2498076), (9, 2220512), (12, 1665384), (14, 1427472), (16, 1249038), (18, 1110256), (21, 951648), (23, 868896), (24, 832692), (28, 713736), (32, 624519), (36, 555128), (42, 475824), (46, 434448), (48, 416346), (56, 356868), (63, 317216), (69, 289632), (72, 277564), (84, 237912), (92, 217224), (96, 208173), (112, 178434), (126, 158608), (138, 144816), (144, 138782), (161, 124128), (168, 118956), (184, 108612), (207, 96544), (224, 89217), (252, 79304), (276, 72408), (288, 69391), (322, 62064), (336, 59478), (368, 54306), (414, 48272), (431, 46368), (483, 41376), (504, 39652), (552, 36204), (644, 31032), (672, 29739), (736, 27153), (828, 24136), (862, 23184), (966, 20688), (1008, 19826), (1104, 18102), (1288, 15516), (1293, 15456), (1449, 13792), (1656, 12068), (1724, 11592), (1932, 10344), (2016, 9913), (2208, 9051), (2576, 7758), (2586, 7728), (2898, 6896), (3017, 6624), (3312, 6034), (3448, 5796), (3864, 5172), (3879, 5152)]