18743260

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{1117}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 39443040

約数和(自身を除く): 20699780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1117, 1678, 2234, 3356, 4195, 4468, 5585, 8390, 11170, 16780, 22340, 937163, 1874326, 3748652, 4685815, 9371630, 18743260]

約数ペア:

[(1, 18743260), (2, 9371630), (4, 4685815), (5, 3748652), (10, 1874326), (20, 937163), (839, 22340), (1117, 16780), (1678, 11170), (2234, 8390), (3356, 5585), (4195, 4468)]