18701872

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4513}}^1$

素因数の和:4565

約数の個数: 40

約数和(自身を含む): 42539936

約数和(自身を除く): 23838064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4513, 9026, 18052, 31591, 36104, 63182, 72208, 126364, 166981, 252728, 333962, 505456, 667924, 1168867, 1335848, 2337734, 2671696, 4675468, 9350936, 18701872]

約数ペア:

[(1, 18701872), (2, 9350936), (4, 4675468), (7, 2671696), (8, 2337734), (14, 1335848), (16, 1168867), (28, 667924), (37, 505456), (56, 333962), (74, 252728), (112, 166981), (148, 126364), (259, 72208), (296, 63182), (518, 36104), (592, 31591), (1036, 18052), (2072, 9026), (4144, 4513)]