18980775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{7669}}^1$

素因数の和:7696

約数の個数: 36

約数和(自身を含む): 37092120

約数和(自身を除く): 18111345

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 7669, 23007, 38345, 69021, 84359, 115035, 191725, 253077, 345105, 421795, 575175, 759231, 1265385, 1725525, 2108975, 3796155, 6326925, 18980775]

約数ペア:

[(1, 18980775), (3, 6326925), (5, 3796155), (9, 2108975), (11, 1725525), (15, 1265385), (25, 759231), (33, 575175), (45, 421795), (55, 345105), (75, 253077), (99, 191725), (165, 115035), (225, 84359), (275, 69021), (495, 38345), (825, 23007), (2475, 7669)]