18613742

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 34043328

約数和(自身を除く): 15429586

約数列:

[1, 2, 7, 14, 17, 34, 119, 197, 238, 394, 397, 794, 1379, 2758, 2779, 3349, 5558, 6698, 6749, 13498, 23443, 46886, 47243, 78209, 94486, 156418, 547463, 1094926, 1329553, 2659106, 9306871, 18613742]

約数ペア:

[(1, 18613742), (2, 9306871), (7, 2659106), (14, 1329553), (17, 1094926), (34, 547463), (119, 156418), (197, 94486), (238, 78209), (394, 47243), (397, 46886), (794, 23443), (1379, 13498), (2758, 6749), (2779, 6698), (3349, 5558)]