191021630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{21391}}^1$

素因数の和:21464

約数の個数: 32

約数和(自身を含む): 369653760

約数和(自身を除く): 178632130

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 21391, 42782, 106955, 213910, 406429, 812858, 1005377, 2010754, 2032145, 4064290, 5026885, 10053770, 19102163, 38204326, 95510815, 191021630]

約数ペア:

[(1, 191021630), (2, 95510815), (5, 38204326), (10, 19102163), (19, 10053770), (38, 5026885), (47, 4064290), (94, 2032145), (95, 2010754), (190, 1005377), (235, 812858), (470, 406429), (893, 213910), (1786, 106955), (4465, 42782), (8930, 21391)]