19442988

素因数分解:

$2^2\times 3^2\times {\mathrm{487}}^1\times {\mathrm{1109}}^1$

素因数の和:1606

約数の個数: 36

約数和(自身を含む): 49292880

約数和(自身を除く): 29849892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 487, 974, 1109, 1461, 1948, 2218, 2922, 3327, 4383, 4436, 5844, 6654, 8766, 9981, 13308, 17532, 19962, 39924, 540083, 1080166, 1620249, 2160332, 3240498, 4860747, 6480996, 9721494, 19442988]

約数ペア:

[(1, 19442988), (2, 9721494), (3, 6480996), (4, 4860747), (6, 3240498), (9, 2160332), (12, 1620249), (18, 1080166), (36, 540083), (487, 39924), (974, 19962), (1109, 17532), (1461, 13308), (1948, 9981), (2218, 8766), (2922, 6654), (3327, 5844), (4383, 4436)]