20185191894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{21169}}^1$

素因数の和:21565

約数の個数: 64

約数和(自身を含む): 46922204160

約数和(自身を除く): 26737012266

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 311, 438, 511, 622, 933, 1022, 1533, 1866, 2177, 3066, 4354, 6531, 13062, 21169, 22703, 42338, 45406, 63507, 68109, 127014, 136218, 148183, 158921, 296366, 317842, 444549, 476763, 889098, 953526, 1545337, 3090674, 4636011, 6583559, 9272022, 10817359, 13167118, 19750677, 21634718, 32452077, 39501354, 46084913, 64904154, 92169826, 138254739, 276509478, 480599807, 961199614, 1441799421, 2883598842, 3364198649, 6728397298, 10092595947, 20185191894]

約数ペア:

[(1, 20185191894), (2, 10092595947), (3, 6728397298), (6, 3364198649), (7, 2883598842), (14, 1441799421), (21, 961199614), (42, 480599807), (73, 276509478), (146, 138254739), (219, 92169826), (311, 64904154), (438, 46084913), (511, 39501354), (622, 32452077), (933, 21634718), (1022, 19750677), (1533, 13167118), (1866, 10817359), (2177, 9272022), (3066, 6583559), (4354, 4636011), (6531, 3090674), (13062, 1545337), (21169, 953526), (22703, 889098), (42338, 476763), (45406, 444549), (63507, 317842), (68109, 296366), (127014, 158921), (136218, 148183)]