18067784

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16981}}^1$

素因数の和:17013

約数の個数: 32

約数和(自身を含む): 40756800

約数和(自身を除く): 22689016

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 16981, 33962, 67924, 118867, 135848, 237734, 322639, 475468, 645278, 950936, 1290556, 2258473, 2581112, 4516946, 9033892, 18067784]

約数ペア:

[(1, 18067784), (2, 9033892), (4, 4516946), (7, 2581112), (8, 2258473), (14, 1290556), (19, 950936), (28, 645278), (38, 475468), (56, 322639), (76, 237734), (133, 135848), (152, 118867), (266, 67924), (532, 33962), (1064, 16981)]