19679670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 51386400

約数和(自身を除く): 31706730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 449, 487, 898, 974, 1347, 1461, 2245, 2435, 2694, 2922, 4041, 4383, 4490, 4870, 6735, 7305, 8082, 8766, 13470, 14610, 20205, 21915, 40410, 43830, 218663, 437326, 655989, 1093315, 1311978, 1967967, 2186630, 3279945, 3935934, 6559890, 9839835, 19679670]

約数ペア:

[(1, 19679670), (2, 9839835), (3, 6559890), (5, 3935934), (6, 3279945), (9, 2186630), (10, 1967967), (15, 1311978), (18, 1093315), (30, 655989), (45, 437326), (90, 218663), (449, 43830), (487, 40410), (898, 21915), (974, 20205), (1347, 14610), (1461, 13470), (2245, 8766), (2435, 8082), (2694, 7305), (2922, 6735), (4041, 4870), (4383, 4490)]