19865008

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{2347}}^1$

素因数の和:2401

約数の個数: 30

約数和(自身を含む): 40251764

約数和(自身を除く): 20386756

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 529, 1058, 2116, 2347, 4232, 4694, 8464, 9388, 18776, 37552, 53981, 107962, 215924, 431848, 863696, 1241563, 2483126, 4966252, 9932504, 19865008]

約数ペア:

[(1, 19865008), (2, 9932504), (4, 4966252), (8, 2483126), (16, 1241563), (23, 863696), (46, 431848), (92, 215924), (184, 107962), (368, 53981), (529, 37552), (1058, 18776), (2116, 9388), (2347, 8464), (4232, 4694)]