19510304

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1353

約数の個数: 48

約数和(自身を含む): 42910560

約数和(自身を除く): 23400256

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1289, 1376, 1892, 2578, 3784, 5156, 7568, 10312, 14179, 15136, 20624, 28358, 41248, 55427, 56716, 110854, 113432, 221708, 226864, 443416, 453728, 609697, 886832, 1219394, 1773664, 2438788, 4877576, 9755152, 19510304]

約数ペア:

[(1, 19510304), (2, 9755152), (4, 4877576), (8, 2438788), (11, 1773664), (16, 1219394), (22, 886832), (32, 609697), (43, 453728), (44, 443416), (86, 226864), (88, 221708), (172, 113432), (176, 110854), (344, 56716), (352, 55427), (473, 41248), (688, 28358), (946, 20624), (1289, 15136), (1376, 14179), (1892, 10312), (2578, 7568), (3784, 5156)]