18713046

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 42900480

約数和(自身を除く): 24187434

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 79, 97, 111, 158, 194, 222, 237, 291, 407, 474, 582, 814, 869, 1067, 1221, 1738, 2134, 2442, 2607, 2923, 3201, 3589, 5214, 5846, 6402, 7178, 7663, 8769, 10767, 15326, 17538, 21534, 22989, 32153, 39479, 45978, 64306, 78958, 84293, 96459, 118437, 168586, 192918, 236874, 252879, 283531, 505758, 567062, 850593, 1701186, 3118841, 6237682, 9356523, 18713046]

約数ペア:

[(1, 18713046), (2, 9356523), (3, 6237682), (6, 3118841), (11, 1701186), (22, 850593), (33, 567062), (37, 505758), (66, 283531), (74, 252879), (79, 236874), (97, 192918), (111, 168586), (158, 118437), (194, 96459), (222, 84293), (237, 78958), (291, 64306), (407, 45978), (474, 39479), (582, 32153), (814, 22989), (869, 21534), (1067, 17538), (1221, 15326), (1738, 10767), (2134, 8769), (2442, 7663), (2607, 7178), (2923, 6402), (3201, 5846), (3589, 5214)]