19978872

素因数分解:

$2^3\times 3^1\times {\mathrm{347}}^1\times {\mathrm{2399}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 50112000

約数和(自身を除く): 30133128

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 347, 694, 1041, 1388, 2082, 2399, 2776, 4164, 4798, 7197, 8328, 9596, 14394, 19192, 28788, 57576, 832453, 1664906, 2497359, 3329812, 4994718, 6659624, 9989436, 19978872]

約数ペア:

[(1, 19978872), (2, 9989436), (3, 6659624), (4, 4994718), (6, 3329812), (8, 2497359), (12, 1664906), (24, 832453), (347, 57576), (694, 28788), (1041, 19192), (1388, 14394), (2082, 9596), (2399, 8328), (2776, 7197), (4164, 4798)]