19986444

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{17909}}^1$

素因数の和:17950

約数の個数: 36

約数和(自身を含む): 52153920

約数和(自身を除く): 32167476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 17909, 35818, 53727, 71636, 107454, 161181, 214908, 322362, 555179, 644724, 1110358, 1665537, 2220716, 3331074, 4996611, 6662148, 9993222, 19986444]

約数ペア:

[(1, 19986444), (2, 9993222), (3, 6662148), (4, 4996611), (6, 3331074), (9, 2220716), (12, 1665537), (18, 1110358), (31, 644724), (36, 555179), (62, 322362), (93, 214908), (124, 161181), (186, 107454), (279, 71636), (372, 53727), (558, 35818), (1116, 17909)]