19558528

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 24505472

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 319, 352, 464, 479, 638, 704, 928, 958, 1276, 1408, 1856, 1916, 2552, 3712, 3832, 5104, 5269, 7664, 10208, 10538, 13891, 15328, 20416, 21076, 27782, 30656, 40832, 42152, 55564, 61312, 84304, 111128, 152801, 168608, 222256, 305602, 337216, 444512, 611204, 674432, 889024, 1222408, 1778048, 2444816, 4889632, 9779264, 19558528]

約数ペア:

[(1, 19558528), (2, 9779264), (4, 4889632), (8, 2444816), (11, 1778048), (16, 1222408), (22, 889024), (29, 674432), (32, 611204), (44, 444512), (58, 337216), (64, 305602), (88, 222256), (116, 168608), (128, 152801), (176, 111128), (232, 84304), (319, 61312), (352, 55564), (464, 42152), (479, 40832), (638, 30656), (704, 27782), (928, 21076), (958, 20416), (1276, 15328), (1408, 13891), (1856, 10538), (1916, 10208), (2552, 7664), (3712, 5269), (3832, 5104)]