19523924

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 40943616

約数和(自身を除く): 21419692

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 83, 124, 166, 217, 271, 332, 434, 542, 581, 868, 1084, 1162, 1897, 2324, 2573, 3794, 5146, 7588, 8401, 10292, 16802, 18011, 22493, 33604, 36022, 44986, 58807, 72044, 89972, 117614, 157451, 235228, 314902, 629804, 697283, 1394566, 2789132, 4880981, 9761962, 19523924]

約数ペア:

[(1, 19523924), (2, 9761962), (4, 4880981), (7, 2789132), (14, 1394566), (28, 697283), (31, 629804), (62, 314902), (83, 235228), (124, 157451), (166, 117614), (217, 89972), (271, 72044), (332, 58807), (434, 44986), (542, 36022), (581, 33604), (868, 22493), (1084, 18011), (1162, 16802), (1897, 10292), (2324, 8401), (2573, 7588), (3794, 5146)]