18639338

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{9883}}^1$

素因数の和:9949

約数の個数: 16

約数和(自身を含む): 29889216

約数和(自身を除く): 11249878

約数列:

[1, 2, 23, 41, 46, 82, 943, 1886, 9883, 19766, 227309, 405203, 454618, 810406, 9319669, 18639338]

約数ペア:

[(1, 18639338), (2, 9319669), (23, 810406), (41, 454618), (46, 405203), (82, 227309), (943, 19766), (1886, 9883)]