19998188

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42013}}^1$

素因数の和:42041

約数の個数: 24

約数和(自身を含む): 42350112

約数和(自身を除く): 22351924

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42013, 84026, 168052, 294091, 588182, 714221, 1176364, 1428442, 2856884, 4999547, 9999094, 19998188]

約数ペア:

[(1, 19998188), (2, 9999094), (4, 4999547), (7, 2856884), (14, 1428442), (17, 1176364), (28, 714221), (34, 588182), (68, 294091), (119, 168052), (238, 84026), (476, 42013)]