15864860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1949}}^1$

素因数の和:2006

約数の個数: 48

約数和(自身を含む): 37346400

約数和(自身を除く): 21481540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 1949, 2035, 3898, 4070, 7796, 8140, 9745, 19490, 21439, 38980, 42878, 72113, 85756, 107195, 144226, 214390, 288452, 360565, 428780, 721130, 793243, 1442260, 1586486, 3172972, 3966215, 7932430, 15864860]

約数ペア:

[(1, 15864860), (2, 7932430), (4, 3966215), (5, 3172972), (10, 1586486), (11, 1442260), (20, 793243), (22, 721130), (37, 428780), (44, 360565), (55, 288452), (74, 214390), (110, 144226), (148, 107195), (185, 85756), (220, 72113), (370, 42878), (407, 38980), (740, 21439), (814, 19490), (1628, 9745), (1949, 8140), (2035, 7796), (3898, 4070)]