19040718

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 20357682

約数列:

[1, 2, 3, 6, 37, 74, 111, 199, 222, 398, 431, 597, 862, 1194, 1293, 2586, 7363, 14726, 15947, 22089, 31894, 44178, 47841, 85769, 95682, 171538, 257307, 514614, 3173453, 6346906, 9520359, 19040718]

約数ペア:

[(1, 19040718), (2, 9520359), (3, 6346906), (6, 3173453), (37, 514614), (74, 257307), (111, 171538), (199, 95682), (222, 85769), (398, 47841), (431, 44178), (597, 31894), (862, 22089), (1194, 15947), (1293, 14726), (2586, 7363)]