18821572

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1153}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 41876352

約数和(自身を除く): 23054780

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 154, 212, 308, 371, 583, 742, 1153, 1166, 1484, 2306, 2332, 4081, 4612, 8071, 8162, 12683, 16142, 16324, 25366, 32284, 50732, 61109, 88781, 122218, 177562, 244436, 355124, 427763, 672199, 855526, 1344398, 1711052, 2688796, 4705393, 9410786, 18821572]

約数ペア:

[(1, 18821572), (2, 9410786), (4, 4705393), (7, 2688796), (11, 1711052), (14, 1344398), (22, 855526), (28, 672199), (44, 427763), (53, 355124), (77, 244436), (106, 177562), (154, 122218), (212, 88781), (308, 61109), (371, 50732), (583, 32284), (742, 25366), (1153, 16324), (1166, 16142), (1484, 12683), (2306, 8162), (2332, 8071), (4081, 4612)]