18416072025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{12823}}^1$

素因数の和:13343

約数の個数: 72

約数和(自身を含む): 35597679936

約数和(自身を除く): 17181607911

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 491, 585, 975, 1473, 2455, 2925, 4419, 6383, 7365, 12275, 12823, 19149, 22095, 31915, 36825, 38469, 57447, 64115, 95745, 110475, 115407, 159575, 166699, 192345, 287235, 320575, 478725, 500097, 577035, 833495, 961725, 1436175, 1500291, 2500485, 2885175, 4167475, 6296093, 7501455, 12502425, 18888279, 31480465, 37507275, 56664837, 81849209, 94441395, 157402325, 245547627, 283324185, 409246045, 472206975, 736642881, 1227738135, 1416620925, 2046230225, 3683214405, 6138690675, 18416072025]

約数ペア:

[(1, 18416072025), (3, 6138690675), (5, 3683214405), (9, 2046230225), (13, 1416620925), (15, 1227738135), (25, 736642881), (39, 472206975), (45, 409246045), (65, 283324185), (75, 245547627), (117, 157402325), (195, 94441395), (225, 81849209), (325, 56664837), (491, 37507275), (585, 31480465), (975, 18888279), (1473, 12502425), (2455, 7501455), (2925, 6296093), (4419, 4167475), (6383, 2885175), (7365, 2500485), (12275, 1500291), (12823, 1436175), (19149, 961725), (22095, 833495), (31915, 577035), (36825, 500097), (38469, 478725), (57447, 320575), (64115, 287235), (95745, 192345), (110475, 166699), (115407, 159575)]