18880648

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{16979}}^1$

素因数の和:17124

約数の個数: 16

約数和(自身を含む): 35658000

約数和(自身を除く): 16777352

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 16979, 33958, 67916, 135832, 2360081, 4720162, 9440324, 18880648]

約数ペア:

[(1, 18880648), (2, 9440324), (4, 4720162), (8, 2360081), (139, 135832), (278, 67916), (556, 33958), (1112, 16979)]