19995552

素因数分解:

$2^5\times 3^3\times {\mathrm{23143}}^1$

素因数の和:23162

約数の個数: 48

約数和(自身を含む): 58322880

約数和(自身を除く): 38327328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 23143, 46286, 69429, 92572, 138858, 185144, 208287, 277716, 370288, 416574, 555432, 624861, 740576, 833148, 1110864, 1249722, 1666296, 2221728, 2499444, 3332592, 4998888, 6665184, 9997776, 19995552]

約数ペア:

[(1, 19995552), (2, 9997776), (3, 6665184), (4, 4998888), (6, 3332592), (8, 2499444), (9, 2221728), (12, 1666296), (16, 1249722), (18, 1110864), (24, 833148), (27, 740576), (32, 624861), (36, 555432), (48, 416574), (54, 370288), (72, 277716), (96, 208287), (108, 185144), (144, 138858), (216, 92572), (288, 69429), (432, 46286), (864, 23143)]