18936589

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 23639040

約数和(自身を除く): 4702451

約数列:

[1, 7, 17, 49, 119, 127, 179, 833, 889, 1253, 2159, 3043, 6223, 8771, 15113, 21301, 22733, 105791, 149107, 159131, 386461, 1113917, 2705227, 18936589]

約数ペア:

[(1, 18936589), (7, 2705227), (17, 1113917), (49, 386461), (119, 159131), (127, 149107), (179, 105791), (833, 22733), (889, 21301), (1253, 15113), (2159, 8771), (3043, 6223)]