19609204

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 35370720

約数和(自身を除く): 15761516

約数列:

[1, 2, 4, 43, 86, 172, 173, 346, 659, 692, 1318, 2636, 7439, 14878, 28337, 29756, 56674, 113348, 114007, 228014, 456028, 4902301, 9804602, 19609204]

約数ペア:

[(1, 19609204), (2, 9804602), (4, 4902301), (43, 456028), (86, 228014), (172, 114007), (173, 113348), (346, 56674), (659, 29756), (692, 28337), (1318, 14878), (2636, 7439)]