18928917

素因数分解:

$3^3\times 7^1\times {\mathrm{100153}}^1$

素因数の和:100169

約数の個数: 16

約数和(自身を含む): 32049280

約数和(自身を除く): 13120363

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 100153, 300459, 701071, 901377, 2103213, 2704131, 6309639, 18928917]

約数ペア:

[(1, 18928917), (3, 6309639), (7, 2704131), (9, 2103213), (21, 901377), (27, 701071), (63, 300459), (189, 100153)]