18812164

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21673}}^1$

素因数の和:21715

約数の個数: 24

約数和(自身を含む): 38839808

約数和(自身を除く): 20027644

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21673, 43346, 86692, 151711, 303422, 606844, 671863, 1343726, 2687452, 4703041, 9406082, 18812164]

約数ペア:

[(1, 18812164), (2, 9406082), (4, 4703041), (7, 2687452), (14, 1343726), (28, 671863), (31, 606844), (62, 303422), (124, 151711), (217, 86692), (434, 43346), (868, 21673)]