19387872

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 64471680

約数和(自身を除く): 45083808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 59, 63, 72, 84, 96, 112, 118, 126, 144, 163, 168, 177, 224, 236, 252, 288, 326, 336, 354, 413, 472, 489, 504, 531, 652, 672, 708, 826, 944, 978, 1008, 1062, 1141, 1239, 1304, 1416, 1467, 1652, 1888, 1956, 2016, 2124, 2282, 2478, 2608, 2832, 2934, 3304, 3423, 3717, 3912, 4248, 4564, 4956, 5216, 5664, 5868, 6608, 6846, 7434, 7824, 8496, 9128, 9617, 9912, 10269, 11736, 13216, 13692, 14868, 15648, 16992, 18256, 19234, 19824, 20538, 23472, 27384, 28851, 29736, 36512, 38468, 39648, 41076, 46944, 54768, 57702, 59472, 67319, 76936, 82152, 86553, 109536, 115404, 118944, 134638, 153872, 164304, 173106, 201957, 230808, 269276, 307744, 328608, 346212, 403914, 461616, 538552, 605871, 692424, 807828, 923232, 1077104, 1211742, 1384848, 1615656, 2154208, 2423484, 2769696, 3231312, 4846968, 6462624, 9693936, 19387872]

約数ペア:

[(1, 19387872), (2, 9693936), (3, 6462624), (4, 4846968), (6, 3231312), (7, 2769696), (8, 2423484), (9, 2154208), (12, 1615656), (14, 1384848), (16, 1211742), (18, 1077104), (21, 923232), (24, 807828), (28, 692424), (32, 605871), (36, 538552), (42, 461616), (48, 403914), (56, 346212), (59, 328608), (63, 307744), (72, 269276), (84, 230808), (96, 201957), (112, 173106), (118, 164304), (126, 153872), (144, 134638), (163, 118944), (168, 115404), (177, 109536), (224, 86553), (236, 82152), (252, 76936), (288, 67319), (326, 59472), (336, 57702), (354, 54768), (413, 46944), (472, 41076), (489, 39648), (504, 38468), (531, 36512), (652, 29736), (672, 28851), (708, 27384), (826, 23472), (944, 20538), (978, 19824), (1008, 19234), (1062, 18256), (1141, 16992), (1239, 15648), (1304, 14868), (1416, 13692), (1467, 13216), (1652, 11736), (1888, 10269), (1956, 9912), (2016, 9617), (2124, 9128), (2282, 8496), (2478, 7824), (2608, 7434), (2832, 6846), (2934, 6608), (3304, 5868), (3423, 5664), (3717, 5216), (3912, 4956), (4248, 4564)]