18640938

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{163517}}^1$

素因数の和:163541

約数の個数: 16

約数和(自身を含む): 39244320

約数和(自身を除く): 20603382

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 163517, 327034, 490551, 981102, 3106823, 6213646, 9320469, 18640938]

約数ペア:

[(1, 18640938), (2, 9320469), (3, 6213646), (6, 3106823), (19, 981102), (38, 490551), (57, 327034), (114, 163517)]