18644864

素因数分解:

$2^7\times 7^1\times {\mathrm{20809}}^1$

素因数の和:20830

約数の個数: 32

約数和(自身を含む): 42452400

約数和(自身を除く): 23807536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20809, 41618, 83236, 145663, 166472, 291326, 332944, 582652, 665888, 1165304, 1331776, 2330608, 2663552, 4661216, 9322432, 18644864]

約数ペア:

[(1, 18644864), (2, 9322432), (4, 4661216), (7, 2663552), (8, 2330608), (14, 1331776), (16, 1165304), (28, 665888), (32, 582652), (56, 332944), (64, 291326), (112, 166472), (128, 145663), (224, 83236), (448, 41618), (896, 20809)]