15690884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^2$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 31763760

約数和(自身を除く): 16072876

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 137, 209, 274, 418, 548, 836, 1507, 2603, 3014, 5206, 6028, 10412, 18769, 28633, 37538, 57266, 75076, 114532, 206459, 356611, 412918, 713222, 825836, 1426444, 3922721, 7845442, 15690884]

約数ペア:

[(1, 15690884), (2, 7845442), (4, 3922721), (11, 1426444), (19, 825836), (22, 713222), (38, 412918), (44, 356611), (76, 206459), (137, 114532), (209, 75076), (274, 57266), (418, 37538), (548, 28633), (836, 18769), (1507, 10412), (2603, 6028), (3014, 5206)]