19652740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11839}}^1$

素因数の和:11931

約数の個数: 24

約数和(自身を含む): 41771520

約数和(自身を除く): 22118780

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11839, 23678, 47356, 59195, 118390, 236780, 982637, 1965274, 3930548, 4913185, 9826370, 19652740]

約数ペア:

[(1, 19652740), (2, 9826370), (4, 4913185), (5, 3930548), (10, 1965274), (20, 982637), (83, 236780), (166, 118390), (332, 59195), (415, 47356), (830, 23678), (1660, 11839)]