18240712

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1061}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 39251520

約数和(自身を除く): 21010808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1061, 1228, 2122, 2149, 2456, 4244, 4298, 7427, 8488, 8596, 14854, 17192, 29708, 59416, 325727, 651454, 1302908, 2280089, 2605816, 4560178, 9120356, 18240712]

約数ペア:

[(1, 18240712), (2, 9120356), (4, 4560178), (7, 2605816), (8, 2280089), (14, 1302908), (28, 651454), (56, 325727), (307, 59416), (614, 29708), (1061, 17192), (1228, 14854), (2122, 8596), (2149, 8488), (2456, 7427), (4244, 4298)]