18528040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24379}}^1$

素因数の和:24409

約数の個数: 32

約数和(自身を含む): 43884000

約数和(自身を除く): 25355960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24379, 48758, 97516, 121895, 195032, 243790, 463201, 487580, 926402, 975160, 1852804, 2316005, 3705608, 4632010, 9264020, 18528040]

約数ペア:

[(1, 18528040), (2, 9264020), (4, 4632010), (5, 3705608), (8, 2316005), (10, 1852804), (19, 975160), (20, 926402), (38, 487580), (40, 463201), (76, 243790), (95, 195032), (152, 121895), (190, 97516), (380, 48758), (760, 24379)]