18981522

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{21521}}^1$

素因数の和:21543

約数の個数: 36

約数和(自身を含む): 47843406

約数和(自身を除く): 28861884

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 21521, 43042, 64563, 129126, 150647, 193689, 301294, 387378, 451941, 903882, 1054529, 1355823, 2109058, 2711646, 3163587, 6327174, 9490761, 18981522]

約数ペア:

[(1, 18981522), (2, 9490761), (3, 6327174), (6, 3163587), (7, 2711646), (9, 2109058), (14, 1355823), (18, 1054529), (21, 903882), (42, 451941), (49, 387378), (63, 301294), (98, 193689), (126, 150647), (147, 129126), (294, 64563), (441, 43042), (882, 21521)]