18305392

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1193}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 40863456

約数和(自身を除く): 22558064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1193, 1918, 2192, 2386, 3836, 4772, 7672, 8351, 9544, 15344, 16702, 19088, 33404, 66808, 133616, 163441, 326882, 653764, 1144087, 1307528, 2288174, 2615056, 4576348, 9152696, 18305392]

約数ペア:

[(1, 18305392), (2, 9152696), (4, 4576348), (7, 2615056), (8, 2288174), (14, 1307528), (16, 1144087), (28, 653764), (56, 326882), (112, 163441), (137, 133616), (274, 66808), (548, 33404), (959, 19088), (1096, 16702), (1193, 15344), (1918, 9544), (2192, 8351), (2386, 7672), (3836, 4772)]