18189213

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{45587}}^1$

素因数の和:45616

約数の個数: 16

約数和(自身を含む): 29176320

約数和(自身を除く): 10987107

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 45587, 136761, 319109, 866153, 957327, 2598459, 6063071, 18189213]

約数ペア:

[(1, 18189213), (3, 6063071), (7, 2598459), (19, 957327), (21, 866153), (57, 319109), (133, 136761), (399, 45587)]