19988676

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{17911}}^1$

素因数の和:17952

約数の個数: 36

約数和(自身を含む): 52159744

約数和(自身を除く): 32171068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 17911, 35822, 53733, 71644, 107466, 161199, 214932, 322398, 555241, 644796, 1110482, 1665723, 2220964, 3331446, 4997169, 6662892, 9994338, 19988676]

約数ペア:

[(1, 19988676), (2, 9994338), (3, 6662892), (4, 4997169), (6, 3331446), (9, 2220964), (12, 1665723), (18, 1110482), (31, 644796), (36, 555241), (62, 322398), (93, 214932), (124, 161199), (186, 107466), (279, 71644), (372, 53733), (558, 35822), (1116, 17911)]