18316870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12809}}^1$

素因数の和:12840

約数の個数: 32

約数和(自身を含む): 38737440

約数和(自身を除く): 20420570

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 12809, 25618, 64045, 128090, 140899, 166517, 281798, 333034, 704495, 832585, 1408990, 1665170, 1831687, 3663374, 9158435, 18316870]

約数ペア:

[(1, 18316870), (2, 9158435), (5, 3663374), (10, 1831687), (11, 1665170), (13, 1408990), (22, 832585), (26, 704495), (55, 333034), (65, 281798), (110, 166517), (130, 140899), (143, 128090), (286, 64045), (715, 25618), (1430, 12809)]