18929043

素因数分解:

$3^2\times 7^2\times {\mathrm{42923}}^1$

素因数の和:42943

約数の個数: 18

約数和(自身を含む): 31806684

約数和(自身を除く): 12877641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 42923, 128769, 300461, 386307, 901383, 2103227, 2704149, 6309681, 18929043]

約数ペア:

[(1, 18929043), (3, 6309681), (7, 2704149), (9, 2103227), (21, 901383), (49, 386307), (63, 300461), (147, 128769), (441, 42923)]