18849320

素因数分解:

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

素因数の和:247

約数の個数: 96

約数和(自身を含む): 50479200

約数和(自身を除く): 31629880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 118, 140, 163, 196, 236, 245, 280, 295, 326, 392, 413, 472, 490, 590, 652, 815, 826, 980, 1141, 1180, 1304, 1630, 1652, 1960, 2065, 2282, 2360, 2891, 3260, 3304, 4130, 4564, 5705, 5782, 6520, 7987, 8260, 9128, 9617, 11410, 11564, 14455, 15974, 16520, 19234, 22820, 23128, 28910, 31948, 38468, 39935, 45640, 48085, 57820, 63896, 67319, 76936, 79870, 96170, 115640, 134638, 159740, 192340, 269276, 319480, 336595, 384680, 471233, 538552, 673190, 942466, 1346380, 1884932, 2356165, 2692760, 3769864, 4712330, 9424660, 18849320]

約数ペア:

[(1, 18849320), (2, 9424660), (4, 4712330), (5, 3769864), (7, 2692760), (8, 2356165), (10, 1884932), (14, 1346380), (20, 942466), (28, 673190), (35, 538552), (40, 471233), (49, 384680), (56, 336595), (59, 319480), (70, 269276), (98, 192340), (118, 159740), (140, 134638), (163, 115640), (196, 96170), (236, 79870), (245, 76936), (280, 67319), (295, 63896), (326, 57820), (392, 48085), (413, 45640), (472, 39935), (490, 38468), (590, 31948), (652, 28910), (815, 23128), (826, 22820), (980, 19234), (1141, 16520), (1180, 15974), (1304, 14455), (1630, 11564), (1652, 11410), (1960, 9617), (2065, 9128), (2282, 8260), (2360, 7987), (2891, 6520), (3260, 5782), (3304, 5705), (4130, 4564)]