18943728

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 52377600

約数和(自身を除く): 33433872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 48, 58, 62, 87, 93, 116, 124, 174, 186, 232, 248, 348, 372, 439, 464, 496, 696, 744, 878, 899, 1317, 1392, 1488, 1756, 1798, 2634, 2697, 3512, 3596, 5268, 5394, 7024, 7192, 10536, 10788, 12731, 13609, 14384, 21072, 21576, 25462, 27218, 38193, 40827, 43152, 50924, 54436, 76386, 81654, 101848, 108872, 152772, 163308, 203696, 217744, 305544, 326616, 394661, 611088, 653232, 789322, 1183983, 1578644, 2367966, 3157288, 4735932, 6314576, 9471864, 18943728]

約数ペア:

[(1, 18943728), (2, 9471864), (3, 6314576), (4, 4735932), (6, 3157288), (8, 2367966), (12, 1578644), (16, 1183983), (24, 789322), (29, 653232), (31, 611088), (48, 394661), (58, 326616), (62, 305544), (87, 217744), (93, 203696), (116, 163308), (124, 152772), (174, 108872), (186, 101848), (232, 81654), (248, 76386), (348, 54436), (372, 50924), (439, 43152), (464, 40827), (496, 38193), (696, 27218), (744, 25462), (878, 21576), (899, 21072), (1317, 14384), (1392, 13609), (1488, 12731), (1756, 10788), (1798, 10536), (2634, 7192), (2697, 7024), (3512, 5394), (3596, 5268)]