19320359

素因数分解:

${\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:638

約数の個数: 12

約数和(自身を含む): 20619720

約数和(自身を除く): 1299361

約数列:

[1, 19, 109, 361, 491, 2071, 9329, 39349, 53519, 177251, 1016861, 19320359]

約数ペア:

[(1, 19320359), (19, 1016861), (109, 177251), (361, 53519), (491, 39349), (2071, 9329)]