18420162045

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{69493}}^1$

素因数の和:69973

約数の個数: 32

約数和(自身を含む): 30261579264

約数和(自身を除く): 11841417219

約数列:

[1, 3, 5, 15, 41, 123, 205, 431, 615, 1293, 2155, 6465, 17671, 53013, 69493, 88355, 208479, 265065, 347465, 1042395, 2849213, 8547639, 14246065, 29951483, 42738195, 89854449, 149757415, 449272245, 1228010803, 3684032409, 6140054015, 18420162045]

約数ペア:

[(1, 18420162045), (3, 6140054015), (5, 3684032409), (15, 1228010803), (41, 449272245), (123, 149757415), (205, 89854449), (431, 42738195), (615, 29951483), (1293, 14246065), (2155, 8547639), (6465, 2849213), (17671, 1042395), (53013, 347465), (69493, 265065), (88355, 208479)]