18896701040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4820587}}^1$

素因数の和:4820614

約数の個数: 60

約数和(自身を含む): 51107873976

約数和(自身を除く): 32211172936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4820587, 9641174, 19282348, 24102935, 33744109, 38564696, 48205870, 67488218, 77129392, 96411740, 134976436, 168720545, 192823480, 236208763, 269952872, 337441090, 385646960, 472417526, 539905744, 674882180, 944835052, 1181043815, 1349764360, 1889670104, 2362087630, 2699528720, 3779340208, 4724175260, 9448350520, 18896701040]

約数ペア:

[(1, 18896701040), (2, 9448350520), (4, 4724175260), (5, 3779340208), (7, 2699528720), (8, 2362087630), (10, 1889670104), (14, 1349764360), (16, 1181043815), (20, 944835052), (28, 674882180), (35, 539905744), (40, 472417526), (49, 385646960), (56, 337441090), (70, 269952872), (80, 236208763), (98, 192823480), (112, 168720545), (140, 134976436), (196, 96411740), (245, 77129392), (280, 67488218), (392, 48205870), (490, 38564696), (560, 33744109), (784, 24102935), (980, 19282348), (1960, 9641174), (3920, 4820587)]