18833780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5849}}^1$

素因数の和:5888

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 28340620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5849, 11698, 23396, 29245, 40943, 58490, 81886, 116980, 134527, 163772, 204715, 269054, 409430, 538108, 672635, 818860, 941689, 1345270, 1883378, 2690540, 3766756, 4708445, 9416890, 18833780]

約数ペア:

[(1, 18833780), (2, 9416890), (4, 4708445), (5, 3766756), (7, 2690540), (10, 1883378), (14, 1345270), (20, 941689), (23, 818860), (28, 672635), (35, 538108), (46, 409430), (70, 269054), (92, 204715), (115, 163772), (140, 134527), (161, 116980), (230, 81886), (322, 58490), (460, 40943), (644, 29245), (805, 23396), (1610, 11698), (3220, 5849)]