19680653823

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{316567}}^1$

素因数の和:316663

約数の個数: 32

約数和(自身を含む): 29539593216

約数和(自身を除く): 9858939393

約数列:

[1, 3, 17, 23, 51, 53, 69, 159, 391, 901, 1173, 1219, 2703, 3657, 20723, 62169, 316567, 949701, 5381639, 7281041, 16144917, 16778051, 21843123, 50334153, 123777697, 285226867, 371333091, 385895173, 855680601, 1157685519, 6560217941, 19680653823]

約数ペア:

[(1, 19680653823), (3, 6560217941), (17, 1157685519), (23, 855680601), (51, 385895173), (53, 371333091), (69, 285226867), (159, 123777697), (391, 50334153), (901, 21843123), (1173, 16778051), (1219, 16144917), (2703, 7281041), (3657, 5381639), (20723, 949701), (62169, 316567)]