16561812

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{211}}^2$

素因数の和:460

約数の個数: 36

約数和(自身を含む): 40080768

約数和(自身を除く): 23518956

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 211, 372, 422, 633, 844, 1266, 2532, 6541, 13082, 19623, 26164, 39246, 44521, 78492, 89042, 133563, 178084, 267126, 534252, 1380151, 2760302, 4140453, 5520604, 8280906, 16561812]

約数ペア:

[(1, 16561812), (2, 8280906), (3, 5520604), (4, 4140453), (6, 2760302), (12, 1380151), (31, 534252), (62, 267126), (93, 178084), (124, 133563), (186, 89042), (211, 78492), (372, 44521), (422, 39246), (633, 26164), (844, 19623), (1266, 13082), (2532, 6541)]