19484718

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 44651520

約数和(自身を除く): 25166802

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 79, 101, 111, 158, 202, 222, 237, 303, 407, 474, 606, 814, 869, 1111, 1221, 1738, 2222, 2442, 2607, 2923, 3333, 3737, 5214, 5846, 6666, 7474, 7979, 8769, 11211, 15958, 17538, 22422, 23937, 32153, 41107, 47874, 64306, 82214, 87769, 96459, 123321, 175538, 192918, 246642, 263307, 295223, 526614, 590446, 885669, 1771338, 3247453, 6494906, 9742359, 19484718]

約数ペア:

[(1, 19484718), (2, 9742359), (3, 6494906), (6, 3247453), (11, 1771338), (22, 885669), (33, 590446), (37, 526614), (66, 295223), (74, 263307), (79, 246642), (101, 192918), (111, 175538), (158, 123321), (202, 96459), (222, 87769), (237, 82214), (303, 64306), (407, 47874), (474, 41107), (606, 32153), (814, 23937), (869, 22422), (1111, 17538), (1221, 15958), (1738, 11211), (2222, 8769), (2442, 7979), (2607, 7474), (2923, 6666), (3333, 5846), (3737, 5214)]