18720113218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{2389}}^1\times {\mathrm{170347}}^1$

素因数の和:172761

約数の個数: 16

約数和(自身を含む): 29313483840

約数和(自身を除く): 10593370622

約数列:

[1, 2, 23, 46, 2389, 4778, 54947, 109894, 170347, 340694, 3917981, 7835962, 406958983, 813917966, 9360056609, 18720113218]

約数ペア:

[(1, 18720113218), (2, 9360056609), (23, 813917966), (46, 406958983), (2389, 7835962), (4778, 3917981), (54947, 340694), (109894, 170347)]