19736992

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1193}}^1$

素因数の和:1261

約数の個数: 48

約数和(自身を含む): 43327872

約数和(自身を除く): 23590880

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 176, 188, 352, 376, 517, 752, 1034, 1193, 1504, 2068, 2386, 4136, 4772, 8272, 9544, 13123, 16544, 19088, 26246, 38176, 52492, 56071, 104984, 112142, 209968, 224284, 419936, 448568, 616781, 897136, 1233562, 1794272, 2467124, 4934248, 9868496, 19736992]

約数ペア:

[(1, 19736992), (2, 9868496), (4, 4934248), (8, 2467124), (11, 1794272), (16, 1233562), (22, 897136), (32, 616781), (44, 448568), (47, 419936), (88, 224284), (94, 209968), (176, 112142), (188, 104984), (352, 56071), (376, 52492), (517, 38176), (752, 26246), (1034, 19088), (1193, 16544), (1504, 13123), (2068, 9544), (2386, 8272), (4136, 4772)]