19615244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5009}}^1$

素因数の和:5113

約数の個数: 24

約数和(自身を含む): 37875600

約数和(自身を除く): 18260356

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5009, 10018, 20036, 55099, 110198, 220396, 445801, 891602, 1783204, 4903811, 9807622, 19615244]

約数ペア:

[(1, 19615244), (2, 9807622), (4, 4903811), (11, 1783204), (22, 891602), (44, 445801), (89, 220396), (178, 110198), (356, 55099), (979, 20036), (1958, 10018), (3916, 5009)]