19938702

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{727}}^1$

素因数の和:1392

約数の個数: 32

約数和(自身を含む): 45706752

約数和(自身を除く): 25768050

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 653, 727, 1306, 1454, 1959, 2181, 3918, 4362, 4571, 5089, 9142, 10178, 13713, 15267, 27426, 30534, 474731, 949462, 1424193, 2848386, 3323117, 6646234, 9969351, 19938702]

約数ペア:

[(1, 19938702), (2, 9969351), (3, 6646234), (6, 3323117), (7, 2848386), (14, 1424193), (21, 949462), (42, 474731), (653, 30534), (727, 27426), (1306, 15267), (1454, 13713), (1959, 10178), (2181, 9142), (3918, 5089), (4362, 4571)]