19935882

素因数分解:

$2^1\times 3^4\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1252

約数の個数: 40

約数和(自身を含む): 45120900

約数和(自身を除く): 25185018

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 109, 162, 218, 327, 654, 981, 1129, 1962, 2258, 2943, 3387, 5886, 6774, 8829, 10161, 17658, 20322, 30483, 60966, 91449, 123061, 182898, 246122, 369183, 738366, 1107549, 2215098, 3322647, 6645294, 9967941, 19935882]

約数ペア:

[(1, 19935882), (2, 9967941), (3, 6645294), (6, 3322647), (9, 2215098), (18, 1107549), (27, 738366), (54, 369183), (81, 246122), (109, 182898), (162, 123061), (218, 91449), (327, 60966), (654, 30483), (981, 20322), (1129, 17658), (1962, 10161), (2258, 8829), (2943, 6774), (3387, 5886)]