18420336

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:455

約数の個数: 120

約数和(自身を含む): 58322160

約数和(自身を除く): 39901824

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 44, 48, 58, 66, 72, 87, 88, 99, 116, 132, 144, 174, 176, 198, 232, 261, 264, 319, 348, 396, 401, 464, 522, 528, 638, 696, 792, 802, 957, 1044, 1203, 1276, 1392, 1584, 1604, 1914, 2088, 2406, 2552, 2871, 3208, 3609, 3828, 4176, 4411, 4812, 5104, 5742, 6416, 7218, 7656, 8822, 9624, 11484, 11629, 13233, 14436, 15312, 17644, 19248, 22968, 23258, 26466, 28872, 34887, 35288, 39699, 45936, 46516, 52932, 57744, 69774, 70576, 79398, 93032, 104661, 105864, 127919, 139548, 158796, 186064, 209322, 211728, 255838, 279096, 317592, 383757, 418644, 511676, 558192, 635184, 767514, 837288, 1023352, 1151271, 1535028, 1674576, 2046704, 2302542, 3070056, 4605084, 6140112, 9210168, 18420336]

約数ペア:

[(1, 18420336), (2, 9210168), (3, 6140112), (4, 4605084), (6, 3070056), (8, 2302542), (9, 2046704), (11, 1674576), (12, 1535028), (16, 1151271), (18, 1023352), (22, 837288), (24, 767514), (29, 635184), (33, 558192), (36, 511676), (44, 418644), (48, 383757), (58, 317592), (66, 279096), (72, 255838), (87, 211728), (88, 209322), (99, 186064), (116, 158796), (132, 139548), (144, 127919), (174, 105864), (176, 104661), (198, 93032), (232, 79398), (261, 70576), (264, 69774), (319, 57744), (348, 52932), (396, 46516), (401, 45936), (464, 39699), (522, 35288), (528, 34887), (638, 28872), (696, 26466), (792, 23258), (802, 22968), (957, 19248), (1044, 17644), (1203, 15312), (1276, 14436), (1392, 13233), (1584, 11629), (1604, 11484), (1914, 9624), (2088, 8822), (2406, 7656), (2552, 7218), (2871, 6416), (3208, 5742), (3609, 5104), (3828, 4812), (4176, 4411)]