18155111540

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{383}}^1\times {\mathrm{12409}}^1$

素因数の和:12992

約数の個数: 48

約数和(自身を含む): 38428508160

約数和(自身を除く): 20273396620

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 383, 764, 766, 955, 1532, 1910, 1915, 3820, 3830, 7660, 12409, 24818, 49636, 62045, 73153, 124090, 146306, 248180, 292612, 365765, 731530, 1463060, 2370119, 4740238, 4752647, 9480476, 9505294, 11850595, 19010588, 23701190, 23763235, 47402380, 47526470, 95052940, 907755577, 1815511154, 3631022308, 4538777885, 9077555770, 18155111540]

約数ペア:

[(1, 18155111540), (2, 9077555770), (4, 4538777885), (5, 3631022308), (10, 1815511154), (20, 907755577), (191, 95052940), (382, 47526470), (383, 47402380), (764, 23763235), (766, 23701190), (955, 19010588), (1532, 11850595), (1910, 9505294), (1915, 9480476), (3820, 4752647), (3830, 4740238), (7660, 2370119), (12409, 1463060), (24818, 731530), (49636, 365765), (62045, 292612), (73153, 248180), (124090, 146306)]