16994740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6389}}^1$

素因数の和:6424

約数の個数: 48

約数和(自身を含む): 42940800

約数和(自身を除く): 25946060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6389, 12778, 25556, 31945, 44723, 63890, 89446, 121391, 127780, 178892, 223615, 242782, 447230, 485564, 606955, 849737, 894460, 1213910, 1699474, 2427820, 3398948, 4248685, 8497370, 16994740]

約数ペア:

[(1, 16994740), (2, 8497370), (4, 4248685), (5, 3398948), (7, 2427820), (10, 1699474), (14, 1213910), (19, 894460), (20, 849737), (28, 606955), (35, 485564), (38, 447230), (70, 242782), (76, 223615), (95, 178892), (133, 127780), (140, 121391), (190, 89446), (266, 63890), (380, 44723), (532, 31945), (665, 25556), (1330, 12778), (2660, 6389)]