17987994

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{3001}}^1$

素因数の和:3052

約数の個数: 40

約数和(自身を含む): 41409588

約数和(自身を除く): 23421594

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1998, 2997, 3001, 5994, 6002, 9003, 18006, 27009, 54018, 81027, 111037, 162054, 222074, 243081, 333111, 486162, 666222, 999333, 1998666, 2997999, 5995998, 8993997, 17987994]

約数ペア:

[(1, 17987994), (2, 8993997), (3, 5995998), (6, 2997999), (9, 1998666), (18, 999333), (27, 666222), (37, 486162), (54, 333111), (74, 243081), (81, 222074), (111, 162054), (162, 111037), (222, 81027), (333, 54018), (666, 27009), (999, 18006), (1998, 9003), (2997, 6002), (3001, 5994)]