18707528

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1931}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 40340160

約数和(自身を除く): 21632632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 1931, 2422, 3862, 4844, 7724, 9688, 13517, 15448, 27034, 54068, 108136, 334063, 668126, 1336252, 2338441, 2672504, 4676882, 9353764, 18707528]

約数ペア:

[(1, 18707528), (2, 9353764), (4, 4676882), (7, 2672504), (8, 2338441), (14, 1336252), (28, 668126), (56, 334063), (173, 108136), (346, 54068), (692, 27034), (1211, 15448), (1384, 13517), (1931, 9688), (2422, 7724), (3862, 4844)]