18446768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67819}}^1$

素因数の和:67844

約数の個数: 20

約数和(自身を含む): 37843560

約数和(自身を除く): 19396792

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67819, 135638, 271276, 542552, 1085104, 1152923, 2305846, 4611692, 9223384, 18446768]

約数ペア:

[(1, 18446768), (2, 9223384), (4, 4611692), (8, 2305846), (16, 1152923), (17, 1085104), (34, 542552), (68, 271276), (136, 135638), (272, 67819)]